Earth fitness tracked the usage of cardio equipment to determine how many members used certain pieces of equipment last weekend. The circle graph below shows the results. How many of the 400 members that used cardio equipment did not use a stepper or a treadmill?

it has changed from the width and the height.

step-by-step explanation:

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answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

fd

step-by-step explanation: