Factor when possible. If the polynomial is prime, say so.x2 + 5xy - 150y2
A. (x + 15y)(x - 10y)
B. (x - 15y)(x + y)
C. (x - 15y)(x + 10y)
D. prime
Answer: A
Mathematics
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Simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression or state that it does not exist.cos-1 
A. 
B. 
C. 
D. - 
Mathematics
Use the provided graph or table to evaluate the given expression.f(-1)
A. -1 B. 1 C. 2 D. 0
Mathematics
Find the opposite of the real number.-22.
A. 22
B. 
C. 
D. -22.
Mathematics