Solve the problem.The recipe for a chocolate chip cake calls for 
pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?
A. 20 pounds
B. 5 pounds
C. 16 pounds
D. 4 pounds
Answer: C
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Solve the problem.Four married couples have reserved eight seats in a row at the theater, starting at an aisle seat. In how many ways can they arrange themselves if there are no restrictions on the seating arrangement?
A. 8 B. 40, 320 C. 5040 D. 16,777,216
Solve the problem.Jane wants to buy a photocopier. The salesman has the following information on 3 models. If all 3 are used, a specific job can be done in 50 minutes. If copier A operates for 20 minutes and copier B for 50 minutes, one-half the job is finished. If copier B operates for 30 minutes and copier C for 80 minutes, three-fifths of the job is done. Which is the fastest copier, and how long does it take for this copier to finish the whole job?
A. C is fastest; 120 min B. C is fastest; 100 min C. B is fastest; 100 min D. A is fastest; 120 min
Find the coordinates of the points of inflection for the function.f(x) = x3 + 33x2 + 360x + 1301
A. (-11, 3) B. (-12, 5) C. (-10, 1) D. There are no points of inflection.
Use a calculator to find the approximate value of the expression rounded to two decimal places.cos 6°
A. -0.99 B. -0.96 C. 0.99 D. 0.96