Determine the amplitude or period as requested.Period of y = 4 cos x
A. 
B. 2?
C. ?
D. 4
Answer: B
Mathematics
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Subtract and write the result in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.(-64)1/3
A. not a real number B. -4 C. 4 D. -64
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.7x2 - 10x - 8
A. (7x + 4)(x - 2) B. (7x + 2)(x - 4) C. (7x - 4)(x + 2) D. (7x - 2)(x + 4)
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 
? 11.402
B. 
= 56.0
C. 
? 2.828
D. 
? 10.583
Mathematics