Use synthetic division to determine whether x - c is a factor of the given polynomial.4x3 - 35x2 + 14x + 80; x + 4
A. Yes
B. No
Answer: B
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Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
-2
A. 
B. 
C. 
D. 
Solve the problem.A chemist needs 12 liters of a 50% salt solution. All she has available is a 20% salt solution and a 70% salt solution. How much of each of the two solutions should she mix to obtain her desired solution?
A. 4.8 L of 20% ; 7.2 L of 70% B. 6 L of 20%; 6 L of 70% C. 3.6 L of 20%; 8.4 L of 70% D. 2.4 L of 20%; 9.6 L of 70%
Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. 144.2° B. 82.2° C. 7.8° D. -54.2°
Solve.It takes 22 minutes to set up a candy making machine. Once the machine is set up, it produces 10 candies per minute. Use an inequality to find the number of candies that can be produced in 2 hours if the machine has not yet been set up.
A. 2420 candies or fewer B. 440 candies or fewer C. 20 candies or fewer D. 980 candies or fewer