Use a calculator to find the following. Round the answer to four places past the decimal point.
?
cos 83.9°
?
A. 0.0893
B. 0.1063
C. 0.1193
D. -0.1173
E. 0.1293
Answer: B
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Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Solve the problem.Kimberly invested 
in her savings account for 8 years. When she withdrew it, she had 
. Interest was compounded continuously. What was the interest rate on the account? Round to the nearest tenth of a percent.
A. 3.9% B. 3.8% C. 3.95% D. 3.7%
Provide an appropriate response.(56 + 89) + 103 = 24856 + (89 + 103) = 248This is an example of the 
.
A. commutative property of addition B. associative property of multiplication C. associative property of addition D. commutative property of multiplication
Factor completely, or state that the polynomial is prime.x3 + 1000
A. (x - 1000)(x2 - 1) B. (x + 10)(x2 - 10x + 100) C. (x - 10)(x2 + 10x + 100) D. (x + 10)(x2 + 100)