Solve the problem.A cross-country skier reaches the 12-km mark of a race 40 min after reaching the 
mark. Find the speed of the skier.
A. 20 km/hr
B. 10 km/hr
C. 15 km/hr
D. 18 km/hr
Answer: C
Mathematics
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Use least common multiple or greatest common divisor to solve the problem.Two runners run around a circular track. The first runner completes a lap in 8 minutes. The second runner completes the track in 19 minutes. If they both start at the same place and the same time and go in the same direction, after how many minutes will they meet again at the starting place?
A. 153 B. 27 C. 152 D. 304
Mathematics
Find the point at which the line given by the parametric equations below intersects the plane.
 Figure 3.png)
Mathematics
Provide an appropriate response.For f(t) = 3 - 5t, find 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write true or false for the statement.-|-88| > |-43|
A. True B. False
Mathematics