Simplify.(-20)0
A. 20
B. -1
C. 1
D. -20
Answer: C
Mathematics
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Graph the system of inequalities.y < x + 16x + 6y > 18
A. 
B. 
C. 
D. 
Mathematics
Find the center and radius of the circle and sketch its graph.(x - 5)2 + (y - 5)2 = 4
A. (h, k) = (-5, -5), r = 2
B. (h, k) = (5, 5), r = 2
C. (h, k) = (-5, 5), r = 2
D. (h, k) = (5, -5), r = 2
Mathematics
Solve the equation for t if 
. Give the answer as an exact value in radians. Do not use a calculator.
?
?
A. 
, 
B. 
, 
C. 
, 
D. , 
E. , 
Mathematics
Find an equation of the line with slope m that passes through the given point. Put the answer in slope-intercept form.(0, 4), m = - 
A. y = - 
x - 4
B. y = - 
x + 4
C. y = 
x - 4
D. y = 
x + 4
Mathematics