Write the standard form of the equation of the circle with radius r and center (h, k).r = 
; (h, k) = (0, -3)
A. (x + 3)2 + y2 = 4
B. x2 + (y + 3)2 = 2
C. x2 + (y - 3)2 = 2
D. (x - 3)2 + y2 = 4
Answer: B
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Restate the equation in slope-intercept form.4x - 2y = -10
A. y = 2x + 5 B. y = 6x + 5 C. y = 1x - 5 D. y = 2x + 12
Find the value of the trigonometric function.sin (-555.33°)
A. 0.2644 B. -0.9644 C. 0.7112 D. -0.2533
Express the vector in the form ai + bj.
if A is the point (-7, -8) and B is the point (-2, -15)
A. v = 5i - 7j B. v = 5i + 7j C. v = 7i - 5j D. v = -5i + 7j
150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.The third quartile of the scores on the exam is approximately
A. 67 points. B. 80 points. C. 84 points. D. 72 points. E. none of these