Solve the problem.A boat can go 90 mph in still water. It takes as long to go 630 miles upstream as it does to go downstream 720 miles. How fast is the current?
A. 9 mph
B. 6 mph
C. 1 mph
D. 5 mph
Answer: B
Mathematics
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Solve the problem.Evaluate 
by integrating 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.S = 6l2 is the formula for the surface area S of a cube with sides of length l. You have wrapping paper with surface area S. What is the length of the side of the largest cube the wrapping paper can cover?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify.82 - 2 ? 3 ? 6
A. 456 B. 71 C. 46 D. 1440
Mathematics
Find the indicated cross product.v = 4i - 6j, w = -3i - 6j - 5kFind w × v.
A. -30i - 20j + 42k B. 30i - 15j + 42k C. 42i + 30j - 30k D. 20i + 30j + 42k
Mathematics