Solve the problem.The polynomial function 
represents the yearly income (or loss) from a real estate investment, where t is time in years. After how many years does income begin to decline?
A. 6 yr
B. 9.33 yr
C. 7 yr
D. 14 yr
Answer: C
Mathematics
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Rationalize the denominator. Assume that all variables represent positive values.
A. 
B. 
C. 
D. 
Mathematics
Determine if the given value is a solution to the equation.8x + 8 = 9(x + 1); x = -1
A. Yes B. No
Mathematics
Simplify the expression.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Factor completely. If prime, so state.8a4b - 50b3
A. 2b(2a + 5b)2 B. 2b(2a - 5b)2 C. prime D. 2b(2a2 + 5b)(2a2 - 5b)
Mathematics