Solve for the variable.x - 
x - 5 = 1
A. x = -30
B. x = 20
C. x = 30
D. x = -20
Answer: C
Mathematics
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Give the center and radius of the circle. Then sketch its graph.(x - 1)2 + (y + 2)2 = 16
A. center (1, 2), r = 4
B. center (1, - 2), r = 4
C. center (- 1, - 2), r = 4
D. center (- 1, 2), r = 4
Mathematics
Find the critical number(s), if any of the function 
Select the correct answer.
a. 1/3 b. 1/9 c. 0, 1/3 d. 0, 1/9
Mathematics
Simplify. Do not leave negative exponents in your answer.
4
A. 
B. 
C. 
D. 
Mathematics
Write as an absolute value.
A. x2 + 4x + 4 B. |x + 2| C. x + 2 D. |x2 + 4x + 4|
Mathematics