An energy-saving appliance uses 24% less energy than the older model it replaces. The older model uses $35.00 worth
of energy per year. How much less does it cost to operate
the energy-saving appliance for one year than it costs to
operate the older model?

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

-4

step-by-step explanation:

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.

47 - 90 = 43

43 - 180 = x

x = 137