Change the mixed number into an improper fraction.16
A. 
B. 
C. 
D. 
Answer: A
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Match the system of inequalities with a graph.y ? x - 3,y ? x
A. 
B. 
C. 
D. 
Find the slope of the line.y = -2
A. 0 B. -2 C. undefined D. 2
Evaluate the factorial expression.12!
A. 16 B. 479,001,600 C. 132 D. 24
A man is flying in a hot-air balloon in a straight line at a constant rate of 4 feet per second, while keeping it at a constant altitude. As he approaches the parking lot of a market, he notices that the angle of depression from his balloon to a friend's car in the parking lot is 35°. A minute and a half later, after flying directly over this friend's car, he looks back to see his friend getting into the car and observes the angle of depression to be 36°. At that time, what is the distance between him and his friend? (Give your answer to the nearest foot.) ?
A. 214 ft B. 221 ft C. 219 ft D. 218 ft E. 216 ft