Find the product.-6x(-8x - 6)

A. 48x2 + 36x
B. 48x2 - 6x
C. 84x2
D. -8x2 + 36x


Answer: A

Mathematics

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Find the center, radius, and intercepts of the circle.x2 + y2 - 2x + 4y - 7 = 0

A. (h, k) = (1, -2), r = 2
x-int: x = 1 ± 2; y-int: y = -2 ± 
B. (h, k) = (-1, 2), r = 12
x-int: x = 1 + 2; y-int: y = -2 + 
C. (h, k) = (-1, -2), r = 2
x-int: x = 1 + 2; y-int: y = -2 + 
D. (h, k) = (1, -2), r = 2
x-int: x = -1 ± 2; y-int: y =2 ± 

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Provide an appropriate response.In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find a if A = 40° and b = 7.5 yd.

Fill in the blank(s) with the appropriate word(s).

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Solve the problem.The population of a formerly endangered mouse is now on the rise. The population, N, over the last 8 years can be represented with the following graph:When was the mice population the lowest?

A. At the beginning of the 8 year period. B. Just before the end of the second year. C. During the fifth year. D. Just after the end of the third year.

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Find the unknown complementary or supplementary angle.

A. 53° B. 73° C. 58° D. 63°

Mathematics