Bill's motorboat can travel 20 mi/h in still water. If the boat can travel 7 miles downstream in the same time it takes to travel 3 miles upstream, what is the rate of the river's current?
What will be an ideal response?
8 mi/h
Mathematics
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What property of whole-number multiplication justifies the equality?5(x + 8) = 5x + 5 ? 8
A. Commutative property B. Distributive property C. Multiplicative-identity property D. Associative property
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(-6x5y4)2
A. -36x10y8 B. 36x7y6 C. 36x10y8 D. -6x10y8
Mathematics
Find the amount of ordinary interest you would pay for the following. Round to the nearest cent.$2820 at 12% for 362 days
A. $338.40 B. $3160.28 C. $339.34 D. $340.28
Mathematics
Find the sum.
A. 
B. 
C. 
D. 
Mathematics