Find the exact value of the following expression without using a calculator.cos 60°
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Factor by grouping.72 - 9t - 8p + tp
A. (8 - t)(9 + p) B. (8 + t)(9 - p) C. (8 - t)(9 - p) D. (8 + t)(9 + p)
Mathematics
Find the area of the SAS triangle ABC. If necessary, round the answer to two decimal places.A = 23°, b = 9 ft, 
ft
A. 3.50 sq ft B. 3.53 sq ft C. 3.51 sq ft D. 3.52 sq ft
Mathematics
Solve the equation.(4x)x = 256
A. {2} B. {2, -2} C. {3, 1} D. {4, 0}
Mathematics
Use the power rules for exponents to simplify the expression. Write the answer in exponential form.
7
A. 
B. 177
C. 
D. 
Mathematics