7th grade math help me plzzz

it's the first option

Step-by-step explanation:

if you take 7.20÷ by 24 you get 0.30 cents and if you take 2.70 ÷6 you get 0.45 cents so if you subtract .30 from .45 you get 0.15cents

she pays 15p more on each juice pack

Step-by-step explanation:

if u do 7.20÷4 you get 30p per juice pack (jalen)

if u do 2.70÷6 you get 45p per juice pack (tia)

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

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!