Solve the problem.Sally and Bill work at different jobs. Sally earns $60 per hour and Bill earns $40 per hour. They each earn the same amount per week but Bill works 3 more hours. How many hours a week does Bill work?
A. 6
B. 15
C. 12
D. 9
Answer: D
Mathematics
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Evaluate the function at the given value of x.f(x) = 
, f(-2)
A. -3 B. 0 C. 1 D. 3
Mathematics
Factor out the greatest common factor.36x9y8 + 120x2y6 - 84x5y4
A. 12x2y4(3x7y4 + 10y2 - 7x3) B. x2y4(36x7y4 + 120y2 - 84x3) C. 12(3x9y8 + 10x2y6 - 7x5y4) D. 12x2(3x7y8 + 10y6 - 7x3y4)
Mathematics
Find the general solution for the differential equation.
= y2e7x
A. y = - 
+ C
B. y = - 
+ C
C. y = - 
+ C
D. y = 
+ C
Mathematics
Find all positive and negative integers b such that the trinomial is factorable.5x2 + bx - 1; b = ?
A. 4 B. ±6 C. 6 D. ±4
Mathematics