Multiply.-0.4 ? (-11.5)
A. -11.1
B. -11.9
C. 11.9
D. 4.6
Answer: D
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Solve the problem.Alison sets aside 
each month to spend on books and music files. If she spends m dollars on music files in a given month she may spend b dollars on books where 
Graph the equation and use the graph to estimate the amount Alison may spend on books in March if she spends 
on music files.
A. $23 B. $34 C. $87 D. $30
Solve the problem.Assume that the half-life of Carbon-14 is 5700 years. Find the age (to the nearest year) of a wooden axe in which the amount of Carbon-14 is 30% of what it originally had.
Fill in the blank(s) with the appropriate word(s).
Determine the real solutions to the system of nonlinear equations.x2 - y2 = 39x - y = 3
A. (8, 5) B. (-8, -5) C. (-8, 5) D. (8, -5)
Factor completely. If unfactorable, indicate that the polynomial is prime.r2 - 10r + 25
A. (r - 10)(r + 10) B. (r - 5)2 C. (r + 5)(r - 5) D. (r + 5)2