Simplify the fraction.
A. 
B. 
C. 
D. 
Answer: C
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Convert as indicated.411 mi to kilometers
A. 388.8 km B. 435.7 km C. 657.6 km D. 255.2 km
Solve the equation for the specified variable.P = 2l + 2w for l
A. l = 
B. l = P - w
C. l = P - 2w
D. l = 
Find the gross earnings. Use the overtime premium method. Overtime is paid at time-and-a-half for all hours over 40.
A. $738.75 B. $538.75 C. $536.75 D. $492.50
Solve.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
style="vertical-align: -4.0px;" /> at 
Round your answer to the nearest pound of force.
A. 27,041 lb
B. 26,339 lb
C. 26,471 lb
D. 26,503 lb