Solve.An elliptical trainer is an exercise machine in which your foot moves in an elliptical path. On a typical machine, the length of the stride is about 22 inches and the height is varies from 2 to 6 inches depending on the settings. Write the equation for the path your foot takes if the total length of the stride is 22 inches and the total height is 4 inches.22 inches4 inches 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Find average for each set of numbers.65, 69, 66, 70, 97, 64, 66
A. 70 B. 71 C. 81 D. 66
Mathematics
Provide an appropriate response.Which equation does not require the use of the multiplication property of equality to solve the equation?
A. 6x + 8 - (-5x - 5) = -8
B. -6x + 5x = -8
C. -5x - (-6)x = -8
D. - 
x = -8 - 5
Mathematics
Simplify the expression. If any variables exist, assume that they are positive.
+ 
A. 
B. 4x
C. 4
D. 2
Mathematics
Evaluate.
for x = -1 and y = -5
A. 4 B. 3 C. -4 D. -3
Mathematics