Write a system of equations for the problem, and then solve the system.At the beginning of a bicycle ride, Raul and Miguel are 90 miles apart. If they leave at the same time and ride in the same direction, Raul overtakes Miguel in 5 hours. If they ride toward each other, they pass each other in 2 hours. What are their speeds?
A. Raul: 32.5 mph; Miguel: 12.5 mph
B. Raul: 31.5 mph; Miguel: 13.5 mph
C. Raul: 13.5 mph; Miguel: 31.5 mph
D. Raul: 32.5 mph; Miguel: 13.5 mph
Answer: B
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Use the 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 more students are majoring in math than in science?
A. 50 B. 100 C. 150 D. 10
Solve the problem.A $90,000 trust is to be invested in bonds paying 8%, CDs paying 5%, and mortgages paying 9%. The bond and CD investment together must equal the mortgage investment. To earn a $7020 annual income from the investments, how much should the bank invest in bonds?
A. $24,000 B. $22,000 C. $45,000 D. $21,000
Solve the equation.
x - 
x = 2
A. -30 B. -60 C. 60 D. 30
Express the solution set of the inequality in interval notation.x > 22
A. [22, ?) B. (-?, 22] C. (22, ?) D. (-?, 22)