Factor the binomial completely.s14 - t2
A. (s7 + t)2
B. (s7 + t)(s7 - t)
C. (s7 - t)2
D. prime
Answer: B
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Solve.Find the centroid of the region bounded by the x-axis and the curve y = 3 sin x, 0 ? x ? ?.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= ?, 
= 
Solve the problem. Round to the nearest dollar.Central Street bought a rolling machine that cost $90,000. The expected life is 700,000 hours of production with a salvage value of $9000. Find the book value at the end of the third year. Use the units-of-production method of depreciation given the following production schedule.Year 1131,000 hoursYear 2144,000 hoursYear 3131,000 hours
A. $48,720 B. $32,280 C. $37,800 D. $41,280
Solve the problem.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. By using linear regression, the following function is obtained: 
where x is number of hours studied and y is score on the test. Use this function to predict the score on the test of a student who studies 11 hours. 
A. 92.5 B. 83.8 C. 84.1 D. 74.1
Find the leading term and the leading coefficient.11x3 - 7y2 - 9xy2 - 5x2y - 13x4
A.
| Leading Term: 11x3 | Leading Coefficient: 11 |
B.
| Leading Term: -5x2y | Leading Coefficient: -5 |
C.
| Leading Term: -13x4 | Leading Coefficient: -13 |
D.
| Leading Term: -9xy2 | Leading Coefficient: -9 |