Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Answer: C
Mathematics
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Use the Binomial Theorem to expand the binomial.(x- 5y)4
A. x4 - 20x3y + 150x2y2 + 20xy3 + 625y4 B. x4 - 5x3y + 150x2y2 - 250xy3 + 625y4 C. x4 + 4x3y + 6x2y2 + 4xy3 + y4 D. x4 - 20x3y + 150x2y2 - 500xy3 + 625y4
Mathematics
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = 8, c = ?
A. c = 10 B. c = 7 C. c = 9 D. c = 5
Mathematics
Fill in the blank with one of the words or phrases listed below.
The 3 above is called the 
.
A. product B. addend C. subtrahend D. factor
Mathematics
Find the mean for the group of data items. If necessary, round the answer to nearest tenth.4, 5, 9, 6, 14, 9
A. 8.3 B. 6.3 C. 7.8 D. 9.4
Mathematics