Simplify.(92 - 2) ? 6
A. 474
B. 378
C. 69
D. 294
Answer: A
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Find 
.ln y = ey cos 8x
A. ey cos 8x - 8ey sin 8x
B. 
C. 
D. -8yey sin 8x
First use front-end rounding to write an estimate of the answer, and then multiply fully to obtain an exact answer.EstimateProblem
?
A. Estimate: 4.8, exact: 5.104136 B. Estimate: 480, exact: 5,104.136 C. Estimate: 48, exact: 51.04136 D. Estimate: 480, exact: 510.4136
Solve for the indicated letter.Solve S = ?rh + ?r2 for r.
A. r = 
B. r = 
C. r = 
D. r = 
The numbers of unforced errors a tennis player made in four sets of tennis were recorded. The numbers were 15, 42, 44 and 18. How many unforced errors did this player make in the fifth set if the mean number of unforced errors for the five sets was 30?
A) 30 unforced errors B) 29 unforced errors C) 31 unforced errors D) 33 unforced errors E) 15 unforced errors