the science club hosts a bake sale every year to raise money for the state robotics competition. This year, the club earned $20 more than twice what is earned last year. What is the algebraic expressions?

dd

step-by-step explanation:

dd

alright well the answers to your question is

2xy/9 hope this have a nice day : )

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!