Evaluate the integral.
A. 
B. 
?
C. 
?
D. 
?
Answer: C
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Solve the problem.A box with no top is to be constructed from a piece of cardboard whose width measures x in. and whose length measures 6 in. more than its width. The box is to be formed by cutting squares that measure 3 in. on each side from the four corners, and then folding up the sides. If the volume of the box will be 273 in.3, what are the dimensions of the piece of cardboard?
A. 25 in. by 19 in. B. 19 in. by 13 in. C. 37 in. by 22 in. D. 28 in. by 22 in.
Give the center and radius of the circle. Then sketch its graph.(x - 4)2 + (y - 5)2 = 25
A. center (4, 5), r = 5
B. center (4, - 5), r = 5
C. center (- 4, - 5), r = 5
D. center (- 4, 5), r = 5
Convert as indicated.In a physics lab, Shelly recorded the speed of an object at 130 feet per second. Convert this speed to miles per hour. (Round to the nearest whole, if necessary.)
A. 1 mph
B. 468,000 mph
C. 89 mph
D. 
mph
Use half-angle identities to find the exact value of the expression.sin (-112.5°)
A. 
B. 
C. - 
D. - 
