Robert needs a new suspension system lift kit for his truck. The parts will cost $253.48 at the customizing shop, which will also charge him for 3 hours of labor at $85 per hour. Robert can buy the parts himself on the internet but they will cost him $389.99. It will also take him 6 hours to do the job himself and he values his time at $15 per hour. Is it worth it to Robert to do the job himself? Yes

No

answer: 12

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!

answer: 4 meters

step-by-step explanation: to you understand 2/3 better you can do 1 divided by 3 = . then multiply that by the 2 which is .66666666666666667 then you would do 6 x .66666666666666667 which is 4.      

hope this .