Use grouping to factor the polynomial.5x3 + 25x2 - 2x - 10
A. (5x2 + 2)(x - 5)
B. (5x2 - 2)(x - 5)
C. (5x2 - 2)(x + 5)
D. (5x2 + 2)(x + 5)
Answer: C
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4
A. 
log4y
B. 3log4y
C. 
log4
D. 
log3y
Use a right triangle to simplify.tan (arccos x)
A. 
B. 
C. 
D. 
Suppose that Tom Martin deposits his $11,500 bonus in an account that earns an annual rate of 7%, compounded quarterly, and makes additional deposits of $600 at the end of each quarter for the next 25.5 years, until he retires. To supplement his retirement, Tom wants to make withdrawals at the end of each quarter for the next 13 years (at which time the account balance will be $0). What is the amount of each withdrawal? Round your answer to the nearest cent. ?
A. $4,722.29 B. $5,167.74 C. $6,902.22 D. $4,476.51 E. $4,138.26
Solve the problem.One number is 3 less than a second number. Twice the second number is 33 more than 5 times the first.Determine the numbers by solving the following system of equations, using x and y to represent the unknown numbers. 
A. 6 and 9 B. -9 and -6 C. -10 and -7 D. -8 and -5