Solve the problem.A college student earned $7500 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 
and the rest at 
If the student received a total of $698 in interest at the end of the year, how much was invested at 
A. $3750
B. $2300
C. $833
D. $5200
Answer: B
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Solve the problem.When a coin is dropped from a cliff of height 1706 feet, the height h of the coin from the ground (in feet) t seconds after being dropped is given by h = -16t2 + 1706. How high is the coin above the ground 7 seconds after being dropped?
A. 912 ft B. 922 ft C. 956 ft D. 936 ft
Solve the problem.Arrange 5 square tiles so that they make a solid pattern with the smallest perimeter possible. The tiles are equal in area and touch at least one other tile along an entire edge.
A. 
B. 
C. 
D. 
Multiply.(13 + x)(13 - x)
A. 169 - 26x - x2 B. 169 - x2 C. 26 - x2 D. 169 + 26x - x2
Solve the system.A small airplane traveled 185 mph with a tailwind and 135 mph with a headwind. Find the speed of the wind and the speed of the airplane in still air.
A. speed of the wind was 25 mph, speed of the plane in still air was 160 mph B. speed of the wind was 20 mph, speed of the plane in still air was 165 mph C. speed of the wind was 20 mph, speed of the plane in still air was 155 mph D. speed of the wind was 35 mph, speed of the plane in still air was 150 mph