Which proportion can be used to find the length of DG¯¯¯¯¯¯? 1824=DG6 ​
318=6DG​
DG4=63
DG3=186
Triangle A B C and D F G. Angle B and angle F are marked with congruency marking. B A is 3 inches. B C i s4 inches. A C is 6 inches. E F is 18 inches. F G is 24 inches.

53

Step-by-step explanation:

if 6DG=318 DG=318÷6=53

i think the answer is seven, for if i'm being useless °ω°

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!