Name the first 20 elements of the pereodic table

If i wanted to change my phones simcard, does anything need transferring, or is it an easy swap? Je me suis lev 8 heures ________matin. A. ce B. cet C. cette D. ces 1.A door of a lecture hall is in a parabolic shape. The door is 56 inches across at the bottom of the door and parallel to the floor and 32 inches high. Sketch and find the equation describing the shape of the door. If you are 22 inches tall, how far must you stand from the edge of the door to keep from hitting your head The population, P in thousands of a resort community is shown by P(t)= 500t/2t^2+9'where t is the time in months since city council raised property taxes. Find the interval on which the population was 40,000 or greater Pls help summer homework :D C: A ball is thrown into the air with an upward velocity of 36 ft/s. Its height h in feet after t seconds is given by the function h = 16t^2 + 36t + 10. a. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. b. What is the balls maximum height? According to Brad, consumers claim to prefer the brand-name products better than the generics, but they can't even tell which is which. To test his theory, Brad gives each of 199 consumers two potato chips - one generic, and one brand-name - then asks them which one is the brand-name chip. 92 of the subjects correctly identified the brand-name chip.Required:a. At the 0.01 level of significance, is this significantly greater than the 50% that could be expected simply by chance? b. Find the test statistic value. if y= -6 when x= -2 find y when x= 5 Which of the following would be more reactive than magnesium (Mg)?A. Calcium (Ca)B. Potassium (K)C. Argon (Ar)D. Beryllium (Be) ((ASAP)) you guys Im slow idk Using the underlined words, what change, if any, should be made to the sentence?These events for which Friar Laurence is at fault is the true cause of Romeo and Juliet'suntimely deaths.A Change "events" to "event"B Change "is" to "are"C Change "cause" to "causes"D Make no change Read and choose the option with the correct word or words to complete the sentence.a las diez de la maana y no se usa ms hasta las tres de la tarde. Cuando llego a las tres,pongo mi carro en elLa puerta del garajegaraje.A) se abre, cuandoB) se cierra; en seguidaC) se ducha; hastaD) se maquilla; donde Can you help me with this question (8x - 4)(7y + 2) multiplying binomials ABC has been translated right to create triangle XYZ. Based on this information, which of the following is a true statement? answers: A) B) C) A C D) B X Line j is a straight line. Line j is a straight line. 2 lines come out of the line to form 4 angles. From top left, clockwise, the angles are: x, y, z, w. Which equation represents the relationship between the measures of Angle w and Angle z? Measure of angle w = measure of angle z Measure of angle w + measure of angle z = 90 degrees Measure of angle w + measure of angle z = 100 degrees Measure of angle w + measure of angle z = 180 degrees given that 1=$1..62 what is 650 pounds in dollars On a coordinate plane, a solid straight line has a positive slope and goes through (negative 4, 1) and (0, 3). Everything below and to the right of the line is shaded. Which linear inequality is represented by the graph? y 2x + 4 y one-halfx + 3 y One-halfx + 3 y 2x + 3 Complete this sentence. The CNS communicates with the body proper through ________. View Available Hint(s) Complete this sentence. The CNS communicates with the body proper through ________. some cranial nerves, some spinal nerves, and some additional nerves that were mentioned but not discussed in the tutorial the spinal nerves but not specifically through the cranial nerves the cranial nerves but not specifically through the spinal nerves some (but not all) of the cranial nerves and some (but not all) of the spinal nerves the cranial nerves and the spinal nerves Write the rectangular equation (x+5) 2 + y 2 = 25 in polar form. A species of spruce tree occupies the same niche at the mouth of a river that a species of pine tree occupies further upstream. One year, several pinecones fall into the river and are carried to the mouth, where they take root and grow amongst the spruce trees. What will be the most likely result of this occurrence