Solve the problem.Find the area A and circumference C of a circle of radius 11 yd. Express the answer in terms of ?.
A. A = 121? yd2; C = 22? yd
B. A = 484? yd2; C = 11? yd
C. A = 22? yd2; C = 22? yd
D. A = 44? yd2; C = 11? yd
Answer: A
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Evaluate the line integral of f(x,y) along the curve C.f(x, y) = x2 + y2, C: y = -3x - 3, 0 ? x ? 3
A. 198
B. 66
C. 378
D. 198
A man hikes up a mountain to the peak, where he rests for a few minutes and then continues down the other side of the mountain. We measure his location as distance down from the peak of the mountain. What can be said about the man's velocity when he is hiking up the mountain?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. None of the above.
Write the number as a product of prime factors.90
A. 10 × 32 B. 22 × 32 × 5 C. 2 × 32 × 5 D. 2 × 3 × 5
Provide an appropriate response.When any nonzero number is divided by 1, the result is 
.
A. impossible to compute B. 1 C. the nonzero number D. 0