Julie wants to make a drawing that is 1/5 the size od the original drawing. Sahil makes a drawing that is 1/4 the size of the original. A tree in the original drawing is 20 inches tall. What will the difference be between the heights of the tree in each drawing be?

point a is the center of this circle.

the ratio of the lengths of (ef/bc) and (ad/ih) is 2: 1.

step-by-step explanation:

2nd one in the first row is correct

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

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!