Solve. Simplify the answer.The total length of a bicycle race is 
of a mile. Chloe has completed 
of a mile. How much does she have left to complete?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Answer: C
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Find a parametrization for the line segment beginning at P1 and ending at P2.P1(3, 0, -2) and P2(0, 5, 0)
A. x = 3t, y = -5t + 5, z = -2t, 0 ? t ? 1 B. x = -2t, y = -4t + 5, z = 3t, 0 ? t ? 1 C. x = -3t + 3, y = 5t, z = 2t - 2, 0 ? t ? 1 D. x = -2t + 3, y = -4t, z = 3t - 2, 0 ? t ? 1
Solve the problem.The identity motion is
A. a symmetry of borders and wallpapers only. B. not a symmetry. C. a symmetry of finite objects only. D. a symmetry of every object. E. none of these
Solve the problem.An object is propelled vertically upward from the top of a 112-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 5.5 seconds B. 0.6 seconds C. 2 seconds D. 11.6 seconds
Solve the system of equations.x -y + 5z = -75x+ z = -1x + 3y +z = 5
A. (-1, 0, 2) B. (2, 0, -1) C. (-1, 2, 0) D. (0, 2, -1)