Find the standard form of the equation of the parabola.Vertex at (-8, 7), opens to the right, focal width = 16
A. (y - 7)2 = 4(x + 8)
B. (y - 7)2 = -16(x + 8)
C. (x + 8)2 = 16(y - 7)
D. (y - 7)2 = 16(x + 8)
Answer: D
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Solve the system to the nearest 0.1 for each variable by using a graphing calculator.-3.5u + 4.4v = -4.2-4.4u = 2.3v + 3.6
A. u = -0.2; v = -1.1 B. u = -0.4; v = -0.8 C. u = -0.5; v = -0.9 D. u = 0.1; v = -1.3
Solve the trigonometric equation symbolically, graphically, or numerically for 
cot2 ? + cot ? = 0
A. ? = 90°, 135°, 270°, 315° B. ? = 45°, 90°, 270°, 225° C. ? = 0°, 90°, 180°, 270° D. ? = 0°, 135°, 180°, 315°
Perform the indicated operation.0.74 - (-0.21)
A. 1.05 B. 0.53 C. 0.1554 D. 0.95
Solve. Remember to insert units when writing your answer.The total pages of a hardbound book are 3.3 cm thick. The front and back covers are each 
thick. How high would a stack of 7 of these books be?
A. 25.76 cm B. 3.68 cm C. 49.7 cm D. 24.43 cm