Write an equivalent expression. Use an associative law.(5x)y
A. (x5)y
B. 5(xy)
C. 5x + 5y
D. (5y)x
Answer: B
Mathematics
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Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. Yes B. No
Mathematics
Factor completely.252x4 - 175
A. 7(6x2 - 5)(6x2 + 5) B. 7(6x2 - 5)2 C. 7(36x4 - 25) D. (42x2 - 35)(6x2 + 5)
Mathematics
Simplify: 72 ÷ 8 ? 3 - 72
A. -3 B. -46 C. -22 D. 13
Mathematics
Use rational equations to solve the problems.Frank can type a report in 3 hours and James takes 4 hours. How long will it take the two of them typing together?
A. 
hr
B. 
hr
C. 4 hr
D. 12 hr
Mathematics