Please help not to fail chemistry

Which change represents an oxidation reaction? What is the central idea of "Infinite Flow"? At a state university on the west coast, 13% of undergraduate students are of Asian origin. Among students of Asian origin, 11% major in Humanities, 7% in Social Sciences, 31% in Biological and Physical Sciences, 36% in engineering, and the remaining 15% in Business. Among students of other ethnicities, 19% major in Humanities, 16% in Social Sciences, 12% in Biological and Physical Sciences, 18% in engineering, and the remaining 35% in Business. One undergraduate student majoring in Business is randomly selected from this university. Find the probability that the student is not of Asian origin. Is the reaction above a replacement reaction? Explain. Two automobiles, each of mass 1000 kg, are moving at the same speed, 20 m/s, when they collide and stick together. In what direction and at what speed does the wreckage move (a) if one car was driving north and one south (b) if one car was driving north and one east?A. The wreckage after collision is moving at the speed 18 m/s to the south. B. The wreckage after collision is moving at the speed 9.0 m/s to the north. C. The wreckage after collision is moving at the speed 9.0 m/s to the south. D. The wreckage after collision is moving at the speed 18 m/s to the north. E. The wreckage after collision is motionless. Which selection from the section June 19 1865Was Independence Day For Enslaved Texans"BEST supports the inference that the state ofTexas is attempting to make amends for itshistory of slaveryPLEASE HELP ME !!!! 2) If the foliation on a rock is running north-south what direction is the tectonic pressure coming from? what is the value? when r equals 0 PLEASE HELP ME!!!Determine whether the function rule models discrete or continuous data.Function # 1: A movie store sells DVDs for $15 each. The function C(d) = 15d relates the total cost of movies to the number purchased d.Function # 2: A produce stand sells roasted peanuts for $2.99 per pound. The function C(p) = 2.99p relates the total cost of the peanuts to the number of pounds purchased p.A.) Functions # 1 models discrete data. Function # 2 models continuous data.B.) Functions # 1 models continuous data. Function # 2 models continuous data.C.) Functions # 1 models continuous data. Function # 2 models discrete data.D.) Functions # 1 models discrete data. Function # 2 models discrete data. "Expand the brackets and simplify" (please i need help asap) Successful businesses must have managers who are able to complete each of the management functions well. True False Drag two statements to the box thatdescribe main ideas in Passage 1 In the Hershey Chase experiment components of bacteriophages were labeled with radioactive isotopes of sulfur and phosphorus What wasthe Hershey-Chase evperiment designed to determine? Guillaume et Chlo Complete the following story with le, la, l', or les. Guillaume est _____ami de Chlo____ deux copains sont trs sympathiques. Ils sont lves dans ______mme lyce ___cours d'anglais est le mardi et le jeudi. _____prof d'anglais, Mademoiselle Ryan, est une prof excellente____ cours de Mademoiselle Ryan sont trs lves de Mademoiselle Ryan sont tous intressants et ____ trs forts en franais! identify and explain 3 methods of automatically formatting documents find the area plz and thank u have explanation Please help me in number 34 please!!!! How did Grigori Rasputin work for the Romanov family? A band is playing at an auditorium with floor seats and balcony seats. The band wants to sell the floor tickets for $15 each and balcony tickets for $12 each. They want to make at least $3,000 in ticket sales.1. How much money will they collect for selling x floor tickets? Aria has a points card for a movie theater. She receives 85 rewards points just for signing up. She earns 12.5 points for each visit to the movie theater. She needs 185 points for a free movie ticket. How many visits must Aria make to earn a free movie ticket?