Solve the equation for the specified variable.S = 2?rh + 2?r2 for h
A. h = 2?(S - r)
B. h = 
- 1
C. h = S - r
D. h = 
Answer: D
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Solve the problem.In one study the maximum heart rates of conditioned athletes were examined. A group of athletes was exercised to exhaustion. Let x represent an athlete's heart rate five seconds after stopping exercise and y represent an athlete's heart rate ten seconds after stopping exercise. It was found that the maximum heart rate H for these athletes satisfied the following two equations. H = 0.491 x + 0.468 y + 11.2 H = -0.981 x + 1.872y + 26.4If an athlete had a maximum heart rate of H = 158, determine the value of y graphically to the tenths place.
A. y = 152.1 B. y = 151.4 C. y = 151.8 D. y = 147.7
Choose the graph that matches the equation.10x2 = -9y
A. 
B. 
C. 
D. 
Provide an appropriate response.If m < 0, the graph of f(x) = mx + b 
.
A. is a horizontal line B. does not represent a function C. slopes downward to the right D. has no intercept
Evaluate the integral.
A. - 
cos 7x - 
sin 7 x + C
B. - 
cos 7x - 
cos 3x + C
C. 
sin 3x + 
sin 7x+ C
D. 
sin 3x - 
sin 7x+ C