The formula 
relates the speed 
(in mph) of a car and the distance 
of the skid when a driver hits the brakes. How far will a car skid if it is going 46 mph on dry pavement? On dry pavement, 
.
A. about 52 ft
B. about 79 ft
C. about 56 ft
D. about 74 ft
E. about 85 ft
Answer: D
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Solve.What percent of 1 is 0.1?
A. 30% B. 1000% C. 15.1% D. 10%
Solve the problem.Ellen is knitting a scarf with one 1
-inch blue stripe, one 
green stripe, and one 
white stripe. How wide is the scarf?
A. 
in.
B. 2
in.
C. 
in.
D. 8
in.
Provide an appropriate response.Explain why 
= 5.
What will be an ideal response?
Solve the problem.The life span of a certain type of car timing belt, calculated in miles, is normally distributed, with a mean of 90,000 miles and a standard deviation of 8000 miles. If the maker of the timing belt wants less than 4% of the belts to fail while under warranty, for how many miles should the timing belts be guaranteed?
A. Less than 68,800 miles B. Less than 103,200 miles C. Less than 111,200 miles D. Less than 76,000 miles