Answer:
y = 4 + -2x
Step-by-step explanation:
Simplifying
y = -2x + 4
Reorder the terms:
y = 4 + -2x
Solving
y = 4 + -2x
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Simplifying
y = 4 + -2x
The mean of the track athletes is given by

The mean of the gymnasts is given by

The difference in mean is given by

(rounded to one decimal place)
Answer:
3.0233088 x 10 raise to power 7