Answer the question asked. When necessary, round to the nearest hundredth.Julie and Eric row their boat (at a constant speed) 45 miles downstream for 5 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 9 hours. Find the rate of the current.
A. 7 mph
B. 3 mph
C. 2 mph
D. 1.5 mph
Answer: C
Mathematics
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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 
?
B. 
?
C. 2?
D. 
?
Mathematics
Determine whether the product will be positive, negative, zero, or whether there is not enough information to say.The product of two non-negative numbers.
A. zero B. positive C. negative D. not enough information
Mathematics
Evaluate the expression.P(5, 0)
A. 120 B. 1 C. 0.5 D. 240
Mathematics
Convert the units.473 L = 
mL
A. 47.3 mL B. 473,000 mL C. 0.473 mL D. 47,300 mL
Mathematics