14 20
6
X
The figures are similar. Find the value of the variable. Round to the nearest tenth.
x = 4.2
x = 8.6
o
x = 12.0

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!

he has now walked a total of what?

if i know what this is maybe i can

step-by-step explanation:

i need more details sorry

step-by-step explanation:

5.7622

step-by-step explanation:

the ten thousandths place is the 2. you round it up if, that number in whatever place is 5 or higher.