Factor completely. If the polynomial cannot be factored, say it is prime.x2 - 5x - 36
A. (x + 4)(x - 9)
B. prime
C. (x - 4)(x - 9)
D. (x - 4)(x + 1)
Answer: A
Mathematics
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Plot the point.(4, -135°)
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 64°
A. 0.44 B. 0.39 C. 0.57 D. 0.26
Mathematics
Evaluate the polynomial.-5x + 5for x = 8
A. -80 B. 0 C. -45 D. -35
Mathematics
Write in terms of i.
A. -i
B. -14i
C. 14i
D. ±14
Mathematics