The exchange of oxygen and carbon dioxide in the blood occurs in the
O a. capillaries.
O b. arteries.
O c. veins.
O d. lungs.

What is the most important part of a word?the suffixthe stemnone of the abovethe root Evaluate the algebraic expression x^2 - 20 for x = 7 and for x = 9 7 POINTS!!!!!!Question 2 (1 point) What is one way American's tried to stay out of WWII?Question 2 options:Passed the Neutrality ActsFormed alliances with South AmericaBuilt up stock piles of weaponsEncouraged Americans to focus on culture in art and education programsQuestion 3 (1 point) What did NOT change in the US after we joined WWII?Question 3 options:Americans began to ration suppliesWomen and African Americans joined the workforce in greater numbersAll Americans with ties to the Axis Powers were internedThe WPA was formed to build planes and tanks Suppose you make hot chocolate. It's too hot to drink, so you put it in the freezer to cool it off. If the original temperature is 190 degrees Fahrenheit and the freezer is 0 degrees Fahrenheit, what will the temperature of the hot chocolate be after 3 minutes? (k = 0.12)A 132.56 degreesB 272.33 degreesC 149.46degreesD 241.54 degrees Explain how to solve the equation 21 = m +14. What is the value of m?Enter your explanation and answer in the space provided. How did the results of the French and Indian War lead to greater English settlementand the removal of Native people from their traditional territories? simplify this equation: 2^-4 (23)^2 Use a composite figure to estimate the area of the figure.A) about 14 square unitsB)about 18 square unitsC)about 11 square unitsD) about 8 square units -7m-10m+17common factor HELP I WILL GIVE LOTS OF POINTS FOR IT Find the product (6x + 2x)(x+4x) If f(1) = 9 and f(n) = 4f(n 1) then find the value of f(4). A jacket is reduced by 12% to 66 in a sale.Find the original price. Ali has invited 18 adults and 6 children to a cookout.Mo, Alis best friend, suggests that Ali seat an equal number of adults and an equal number of children at each table.What is the greatest number of tables Ali could use? How many adults and how many children would be seated at each table? Explain. Can some write the correct inequality graph below In a sale all the prices are reduced by 30%. Calculate the sale price of the following items a bike that cost 250b. a pair of gloves that cost 3.20 Write the equation of the line that passes through the points (-3, 4) and (-3,3).Put your answer in fully reduced point-slope form, unless it is a vertical or horizontalline. PLEASEEEE HELP ME!!The area of a rectangular poster board can be represented by the expression64xy. If the width is 16xy, which expression represents the length of the posterboard?A = length * width Yo _____ Fruta para el desayunoComo ComeComesComeb An atom forms an ion with a -2 charge. It is:A:A metal in group 2B:A metal in group 6C:A non-metal in group 2D:A non-metal in group 6