Find the surface area of the rectangular solid or cube.
A. 150 ft2
B. 200 ft2
C. 75 ft2
D. 125 ft2
Answer: A
Mathematics
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Estimate the answer to the problem.An appliance store sells 38 refrigerators a week. Without finding the exact amount, calculate the total amount of money the store makes in a week if each refrigerator costs $938.
A. $30,000 B. $40,000 C. $27,000 D. $36,000
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find sin(2?).
A. 
B. 
C. - 
D. - 
Mathematics
Complete the identity.tan x ? cot x = ?
A. 0 B. sin x C. -1 D. 1
Mathematics
Factor completely.(x + y)3 + (x - y)3
A. 2x(x2 - 3y2) B. x(x2 - 3y2) C. 2x(x2 + 3y2) D. x(x2 + 3y2)
Mathematics