Write the percent problem as an equation.What percent of 82 is 15 ?
A. 15 ? p = 82
B. p ? 82 = 15
C. 15% = p ? 82
D. 15 = p ? 82%
Answer: B
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Describe the given set of points with a single equation or with a pair of equations.The circle of radius 3 centered at the point (8, -3, 9) and lying in a plane parallel to the xy-plane
A. (x - 8)2 + (y - 3)2 = 9 and x + y = 5
B. 
2 + 
2+ 1 = 9
C. 
2+ 
2= 9 and z = 9
D. (x - 8)2 + (y - 3)2 = 9 and z = 9
Restate the equation in slope-intercept form.x - 9y = 5
A. y = x - 
B. y = 9x - 5
C. y = 
x - 
D. y = 
x - 5
Find the linearization L(x) of f(x) at x = a.f(x) = 
, a = 0
A. L(x) = 
x
B. L(x) = 
x
C. L(x) = - 
x
D. L(x) = - 
x
Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. Solve the equation for h. Use the result to determine the height from which an object was dropped if it hits the ground after falling for 5 seconds.
A. h = 24.01t2; 600.3 m B. h = 4.9t2; 122.5 m C. h = 4.9t; 24.5 m D. h = 24.01t; 120.1 m