Solve the equation.x2 = -8x
A. {8}
B. {0, 8}
C. {-8}
D. {0, -8}
Answer: D
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Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.f
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A. 
B. 
C. 
D. 
Solve the problem.A combination lock has 45 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?
A. 28,380 B. 1980 C. 85,140 D. 14,190
Solve the problem.Ramp A climbs steadily for 23 yards over a horizontal distance of 320 yards. Ramp B climbs steadily for 11 yards over a horizontal distance of 190 yards. Which ramp is steeper?
A. Ramp A B. Ramp B C. Neither
Solve the equation and check the solution.10y - 8y = -12
A. y = - 
B. y = 6
C. y = -6
D. y = 