Solve the problem.The height of a box is 7 inches. The length is three inches more than the width. Find the width if the volume is 126.
A. 6 in.
B. 3 in.
C. 7 in.
D. 18 in.
Answer: B
Mathematics
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Factor, if possible.5x2y2 - 27xy - 56
A. (5x + 8y)(x - 7y) B. (5xy - 7)(xy + 8) C. (5xy + 7)(xy - 8) D. (5xy + 8)(xy - 7)
Mathematics
Find 18% of 80.
A. 14.4 B. 67.8 C. 444.4 D. 98
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = (x - 7)3
A. f-1(x) = 
- 7
B. Not one-to-one
C. f-1(x) = -7 - 
D. f-1(x) = 
+ 7
Mathematics
Find A-1 then use it to find the solution to the system.
A. A-1 = 
, x = -42, y = -140
B. A-1 = 
; x = -105, y = 70
C. A-1 = 
; x = 21, y = -70
D. A-1 = 
; x = -21, y = 10
Mathematics