Simplify by writing the expression using only positive exponents.a9b-8
A. 
B. 
C. a9b8
D. 
Answer: A
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Determine all values of x at which the function is discontinuous.
?
?
A. -3 and -2 B. 2 C. 3 and 2 D. 3
Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.) 
A. w = 6.5; d = 11.3 B. w = 7.5; d = 12.3 C. w = 7.5; d = 10.3 D. w = 5.5; d = 12.3
Solve the problem. Use an annual percentage rate table if necessary.Reggie King took out a 36-month fixed installment loan of $23,000 to open a sporting goods store. He began making monthly payments of $726.03. Reggie's business does better than expected and instead of making his 24th payment, Reggie decides to repay his loan in full. What is the total amount due to pay off the balance (use the actuarial method)?
A. $8324.48 B. $8306.40 C. $9050.51 D. $8386.01
Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.v2 = 2as for v
A. v = 
B. v = 2a
C. v = 
D. v = 