Factor.x2 + 9x + 20
A. (x - 4)(x + 5)
B. (x - 4)(x + 1)
C. (x + 4)(x + 5)
D. x2 + 9x + 20
Answer: C
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A. (x + y)2 = y B. x2 + y2 = x C. (x + y)2 = x D. x2 + y2 = y
Use order of operations to simplify the expression.21 - (10 + 20)
A. 51 B. 31 C. -9 D. 11
Provide an appropriate response.The function that gives the effective rate that corresponds to an annual rate of x interest compounded continuously is y = ex - 1. Graph this on your graphing calculator in the window 
×
and discuss what the behavior means.
What will be an ideal response?
Given C = 100, a = 8 and b = 15,use the Law of Cosines to solve the triangle for the value of c. Round answer to two decimal places.
A) 17.88 B) 18.18 C) 15.73 D) 17.57 E) 16.96