Find the integral.
A. - 
+ C
B. 7x3
C. -21x + C
D. x + 7C
Answer: A
Mathematics
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Find the center and the radius of the circle.x2 + y2 - 8x - 14y = -29
A. (7, 4); r = 6 B. (4, 7); r = 6 C. (-7, -4); r = 36 D. (-4, -7); r = 36
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Solve the problem.A right triangle has an area of 12 square inches. The square of the hypotenuse is 52. Find the lengths of the legs of the triangle. Round your answer to the nearest inch.
A. 4 in. and 6 in. B. 16 in. and 36 in. C. 8 in. and 3 in. D. 2 in. and 12 in.
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What number should be added to complete the square of the expression?x2 - 8x
A. 8 B. -4 C. 16 D. 32
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Divide. Simplify, if possible.-0.78 ÷ 2
A. 0.39 B. -0.53 C. 0.53 D. -0.39
Mathematics