Which of these best matches the equation? 4 x p = 28 (4.OA.1) Michael spent $4 on gas, he has $28 left. Sherry has 28 books. She bought 4 more. The cost of a meal was shared equally by 4 friends. They each paid $6. Rod wired 4 times as many outlets as light fixtures. He wired 28 outlets.

answer: (1,3) and (-2,0) i think.

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cc

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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!