Solve the problem.A cross-country skier reaches the 13-km mark of a race 40 min after reaching the 
mark. Find the speed of the skier.
A. 
km/hour
B. 
km/hour
C. 27 km/hour
D. 9 km/hour
Answer: A
Mathematics
You might also like to view...
For the given polar equation, write an equivalent rectangular equation.r = 1 + 2 sin ?
A. 
= x2 + y2 + 2y
B. x2 + y2 = 
+ 2x
C. x2 + y2 = 
+ 2y
D. 
= x2 + y2 + 2x
Mathematics
Change the polar coordinates (r, ?) to rectangular coordinates (x, y).(4, 270°)
A. (-4, 0) B. (0, -4) C. (0, 4) D. (4, 0)
Mathematics
Multiply or divide as indicated.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Write the statement using symbols.Three times the difference of x and 8 is -10.
A. 3x - 8 = -10 B. 3 - x - 8 = -10 C. 3 + x - 8 = -10 D. 3(x - 8) = -10
Mathematics