Solve for the variable.
(x + 6) = 
(x + 8)
A. x = 2
B. x = 3
C. x = -12
D. x = -2
Answer: D
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Use a calculator to find the function value.cot 56.0°
A. 0.829 B. -0.611 C. 0.675 D. 1.48
Solve the problem.A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 108 in. Suppose you want to mail a box with square sides so that its dimensions are 
and it's girth is 
What dimensions will give the box its largest volume?
A. 24 in. x 24 in. x 18 in. B. 18 in. x 18 in. x 90 in. C. 36 in. x 18 in. x 36 in. D. 18 in. x 18 in. x 36 in.
Solve the formula for the specified variable.A = P(1 + nr) for n
A. n = 
B. n = 
C. n = 
D. n = 
Determine whether the two matrices are inverses of each other by computing their product.
and 
A. No B. Yes