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
Answer: C
Mathematics
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Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 - 4
A. 
Vertex: (0, -4); x-intercepts: (-2, 0) and (2, 0)
B. 
Vertex: (0, 4); x-intercepts: none
C. 
Vertex: (0, -4); x-intercepts: none
D. 
Vertex: (-4, 0); x-intercept: (-4, 0)
Mathematics
Solve the inequality. Write the solution set in interval notation.
> -2
A. 
B. ?
C. 
D. (-?, ?)
Mathematics
Use the bar graph to answer the question.The bar graph below shows the number of students by major in the College of Arts and Sciences.
How many students are majoring in History?
A. 300 students B. 250 students C. 400 students D. 350 students
Mathematics
Solve the inequality and graph the solution.
? 20
A. 
B. 
C. 
D. 
Mathematics