Use the formula d = rt to find the value of the missing variable.d = 20 miles, t = 4 hours (Round to the nearest tenth when necessary.)
A. r = 16 mph
B. r = 80 mph
C. r = 0.2 mph
D. r = 5 mph
Answer: D
Mathematics
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -|x|
A. 
B. 
C. 
D. 
Mathematics
Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 
A. Yes B. No
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If the number is negative, write it with a raised negative sign; if the number is positive, write it in two ways.The height of the mountain was 13,496 feet.
A. 13,496 feet
B. 
feet
C. 
feet
D. 
feet or 13,496 feet
Mathematics
Find the quotient, and write in lowest terms, if necessary.
÷ 
A. 
B. 
C. 
D. 
Mathematics