Graph the ellipse. Give the coordinates of the center, as well as the values of a and b.3x2 + 7y2 - 63 = 0
A. center (0, 0), a = 
, b = 3
B. center (0, 0), a = 
, b = 
C. center (0, 0), a = 3, b = 
D. center (0, 0), a = 
, b = 
Answer: A
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Find the derivative.
A. 
x6 sin (x5)
B. -cos (x5) - 1
C. 5x4 sin (x5)
D. sin (x5)
A man pulls a sled horizontally by exerting 32lb on the rope that's tied to its front end. If the rope makes an angle of 45° with horizontal, find the work done in moving the sled 55 ft.
What will be an ideal response?
Solve the problem.A wicker basket has a circular rim with a diameter of 8 inches. How many inches of ribbon are needed to go once around the rim? Use 3.14 for ?. Round your answer to the nearest tenth.
A. 25.1 in. B. 50.2 in. C. 23.1 in. D. 64 in.
Solve the inequality. Express your answer using interval notation.7 ? 
x + 2 < 27
A. (2, 3]
B. [2, 3)
C. (2, 10]
D. [2, 10)