Add or subtract as indicated.
+ 
A. x - 5
B. x + 6
C. x - 6
D. 
Answer: C
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Write the equivalent of the fraction using a denominator of 65.
?
?
A.
B.
C.
D.
E.
Solve the problem.For a cone, the formula r = 
describes the relationship between the radius r of the base, the volume V, and the height h. Find the volume if the radius is 10 inches and the cone is 4 inches high. (Use 3.14 as an approximation for ?, and round to the nearest tenth.)
A. 41.9 cubic in. B. 418.7 cubic in. C. 3768.0 cubic in. D. 104.7 cubic in.
Multiply. Write the answer in lowest terms and as a whole or mixed number where possible.
? 308 ? 
A. 57
B. 48
C. 52
D. 52
Solve the problem.The formula 
can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 245 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 70 miles per hour B. 65 miles per hour C. 80 miles per hour D. 75 miles per hour