Solve the problem.The distance in feet it takes a car traveling at x mph to come to a full stop after hitting the brakes is given by  Find the stopping distance for a speed of 30 mph. Round to the nearest foot.

A. 1159 ft
B. 1138 ft
C. 1145 ft
D. 1 ft


Answer: C

Mathematics

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Find the standard deviation for each data set. Round to one more place than the data.64, 71, 56, 71, 51, 41, 52, 22, 72

A. 17.7 B. 6.9 C. 15.6 D. 16.5

Mathematics

Multiply and simplify. ? 

A.
B. 1
C. - 
D.

Mathematics

Compute for .

?
?
?

A. 8
B. ?
C. ?0
D. ?
E. ?10

Mathematics

Solve the problem.Find the value of k so that the graph of 9y + kx = 4 and the line containing the points (5, -8) and (2, 4) are parallel.

A. k = 34 B. k = 36.5 C. k = 36 D. k = 37

Mathematics