Factor completely. If the polynomial is prime, state this.25(x + 1)2 - 20(x + 1) + 4
A. (x + 1)(5x - 2)2
B. (5x + 3)(5x + 7)
C. (5x + 3)2
D. (5x - 2)2
Answer: C
Mathematics
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Without graphing the function, determine its amplitude or period as requested.y = -2 cos 
xFind the period.
A. 
B. 6?
C. -2
D. 
Mathematics
Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 
A. - 
; - 
B. 
; 
C. 
; 
D. - 
; - 
Mathematics
Determine the value of the variable so that the equality is a proportion.
= 
A. 2.4 B. 4.8 C. 0.267 D. 3.4
Mathematics
Use the pie graph to solve the problem.The pie graph below gives the number of students in the residence halls at the state university.
Write the ratio of the number of residents at Brown to the number of students at Carver.
A. 
B. 
C. 
D. 
Mathematics