Provide an appropriate response.How many degrees are in a sector of a circle graph if it is to represent 30% of the total? Round to the nearest whole degree.
A. 54°
B. 81°
C. 30°
D. 108°
Answer: D
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Determine whether the equation is quadratic.4x2 - 3 = 0
A. No B. Yes
Find the center (h, k) and radius r of the circle with the given equation. x2 - 8x + 16 + y2 + 4y + 4 = 9
A. (h, k) = (2, -4); r = 9 B. (h, k) = (4, -2); r = 3 C. (h, k) = (-4, 2); r = 9 D. (h, k) = (-2, 4); r = 3
Provide the proper response.If at the current production level the marginal cost of a company is zero; at a slightly decreased production level the marginal cost is positive; and at a slightly increased production level the production cost is negative; how should the company alter its production level?
A. The production level should be increased. B. The production level should remain at its current level. C. The production level should be decreased.
Find the exact value by using a half-angle identity.cos 75°
A. 
B. 
C. - 
D. - 
