A security car with its spotlight on is parked 
meters from a warehouse. Consider ? and x as shown in the figure. Write ? as a function of x.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Solve the problem.Gary can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 38 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 7
mph
B. 4
mph
C. 8 mph
D. 5
mph
Mathematics
Sketch the surface z = f(x,y).f(x, y) = -x2 - y2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose you purchase an six-year bond for $7200. The face value of the bond when it matures is $9144. Find the APR.
A. 4.5% B. 4.75% C. 4.25% D. 4% E. 5%
Mathematics
Add:
9 /30è 6 /30è a. 7.5 /15è b. 10.8 /30è c. 10.8 /60è d. 15 /30è e. 15 /60è
Mathematics