Mrs. frawley bought 15 tickets to the park for her class and 15 meal vouchers that cost $5.45 each. what was the total amount of money she spent if she had a $12.50 off coupon? show all work.

69.25

Step-by-step explanation:

x = (5.45 x 15) - 12.5

x = 81.75 -12.5

x = 69.25

true

step-by-step explanation:

hello from mrbilldoesmath!

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!