Solve.Prof. Al-Badul calculated that 
of her students passed their college algebra exam. Write this fraction as a decimal, rounding to the nearest thousandth if necessary.
A. 1.333
B. 7.5
C. 13.333
D. 0.75
Answer: D
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Solve the problem.A package of relief supplies is dropped and moves according to the parametric equations 
and y = -4.9t2, where distances are in meters and time is in seconds. Find the magnitude and direction of the acceleration when 
A. -9.8 m/s2, 270° B. -9.8 m/s2, 90° C. 9.8 m/s2, 90° D. 9.8 m/s2, 270°
Solve the problem.A particle is moving so that its x- and y-coordinates are given by 
and 
(in ft). Find the magnitude and direction of its velocity when 
A. 12 ft/s, 290° B. 3.0 ft/s, 110° C. 12 ft/s, 110° D. 4.0 ft/s, 70°
Find the center and the radius of the circle.x2 + y2 + 6x - 4y + 13 = 16
A. (2, -3); r = 4 B. (-2, 3); r = 16 C. (-3, 2); r = 4 D. (3, -2); r = 16
Find the equation for the given conic in the x'y'-coordinates when the coordinate axes are rotated through an angle ?.x2 + 2xy + y2 - 8x + 8y = 0; ? = 45°
A. 3x'2 - 4
x'y' + y'2 = 0
B. 2x'2 - 
x'y' + 2y'2 = 0
C. x'2 = -4
y'2
D. x'2 = -4
y'