Graph the system of inequalities. Shade the region that represents the solution set.x2 - y? 7x + y< 1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the equation.
(8x - 12) = 
(15x - 10)
A. -1
B. 
C. 1
D. -6
Mathematics
Use transformations to graph the function.y = 5 sin x
A. 
B. 
C. 
D. 
Mathematics
Given the radius, r, of a circle, find the diameter; or given the diameter, d, of a circle, find the radius.r = 22.1 yd
A. d = 44.2 yd B. d = 69.39 yd C. d = 11.05 yd D. d = 1533.61 yd
Mathematics
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 2 + sec t, y = 5 + 2 tan t; 0 < t < 
A. (x - 2)2 - 
= 1; x > 3
B. (x - 2)2 - (y - 5)2 = 4; -? < x < ?
C. (x - 2)2 + 
= 1; 1 ? x ? 3
D. (y - 2)2 - 
= 1; -? < x < ?
Mathematics