Solve.The equation d = 0.0065s2 + 0.18s models the distance d (in meters) that a car traveling at a speed of s km/hr needs to stop. Determine, to the nearest whole number, the maximum speed of a car that can stop within 70 meters.
A. 91 km/hr
B. 101 km/hr
C. 182 km/hr
D. 86 km/hr
Answer: A
Mathematics
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Solve the equation.
= 
+ 
A. 
B. 
C. {16}
D. 
Mathematics
Solve the problem.A rock falls from a tower that is 117.6 m high. As it is falling, its height is given by the formula 
with t in seconds. How many seconds will it take for the rock to hit the ground (h = 0)?
A. 2822.4 sec B. 10.6 sec C. 10.8 sec D. 4.9 sec
Mathematics
Convert the units using unit fractions.56 oz = 
lb
A. 896
B. 5
C. 3
D. 560
Mathematics
Find the regression line without using a calculator.
A. y = 6.2x - 140.4 B. y = -6.8x + 150.7 C. y = 6.8x - 150.7 D. y = -6.2x + 140.4
Mathematics