Stan made changes to his driving habits and
went from 18 mpg to
22 mpg. What was
Stan's percent
increase in his gas
mileage?

true

step-by-step explanation:

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.