Can someone please help me (sorry for bad photo quality)

answer: 457.14

step-by-step explanation:

205 - 45 = 160

160 / .35 = 457.142857

i would need to see the dot plot : )

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!

i believe that the slope of the line is -5

step-by-step explanation: