Solve the problem.The speed of a stream is 4 mph. If a boat travels 64 mi downstream in the same time that it takes to travel 32 mi upstream, what is the speed of the boat in still water?
A. 12 mph
B. 15 mph
C. 8 mph
D. 14 mph
Answer: A
Mathematics
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Write a formula for the function described.Bob buys a car that gets 8 miles per gallon of gasoline. Function M computes the number of miles that Bob can travel with x gallons of gasoline.
A. M(x) = 
B. M(x) = 
C. M(x) = x + 8
D. M(x) = 8x
Mathematics
Find the slope of the line through P(-8, -4) and Q(-3, -19). ?
A. m = -2 B. m = -5 C. m = -1 D. m = -3 E. m = -4
Mathematics
Find the indicated matrix.Let A = 
. Find 4A.
A. 
B. 
C. 
D. 
Mathematics
Solve.Solve 
for h in terms of c and m
A. h = m - 4c
B. h = 4c + m
C. h = 4c - m
D. h = - 
Mathematics