Solve the problem.A contestant in a 29-mile race finished in 5 hours. What was her average rate during the race? Use the formula d = rt. (Round to the nearest tenth, if necessary.)
A. 145 mph
B. 0.2 mph
C. 24 mph
D. 5.8 mph
Answer: D
Mathematics
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Calculate the direction of 
and the midpoint of line segment P1P2.P1(-6, 6, 4) and P2(-4, 12, 1)
A. 
i + 
j + 
k; 
B. 
i + 
j - 
k; 
C. 
i + 
j - 
k; 
D. 
i + 
j - 
k; 
Mathematics
Graph the ellipse.9x2 + 10y2 = 90
A. 
B. 
C. 
D. 
Mathematics
Find the difference.-16 - (-4)
A. 12 B. -20 C. 20 D. -12
Mathematics
The graph of a one-to-one function f is given. Draw the graph of the inverse function f-1 as a dashed line or curve.f(x) = 
A. 
B. Function is its own inverse
Mathematics