Perform the indicated operations. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.
A. 53 x7
B. 
C. 5 x8
D. 
Answer: D
Mathematics
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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 125 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 55 mph B. 60 mph C. 50 mph D. 45 mph
Mathematics
Find the area enclosed by the given curves.y = x, y = x2
A. 
B. 
C. 
D. 
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Straight B. Obtuse C. Acute D. Right
Mathematics
Solve the inequality. Write the solution set using interval notation and graph it.
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A. 
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B.
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C.
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D.
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Mathematics