Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 4x - 2y = 7 3x + 3y = 7
A. Neither
B. Perpendicular
C. Parallel
Answer: A
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Solve the problem.The surface area S of a sphere with radius r is given by the formula 
If a sphere has surface area 
square inches, what is its radius?
A. 16 in. B. 4? in. C. 4 in. D. 8 in.
Sketch the region whose area is given by the definite integral and then use a geometric formula to evaluate the integral.
?
?
A. -20 B. 100 C. -100 D. 20 E. 7
Solve the problem.Jacey, a commissioned salesperson, earns $300 base pay plus $50 per item sold. Express Jacey's gross salary G as a function of the number x of items sold.
A. G(x) = 50x + 300 B. G(x) = 50(x + 300) C. G(x) = 300(x + 50) D. G(x) = 300x +50
The distance, s (in feet), that a body travels in t seconds is given by the equation 
. Graph the equation for positive values of s.
A. 
B. 
C. 
D. 
E. 