A square pyramid has a base side length of 20.4 cm and a height of 18.2 cm. Which square pyramid is similar? base side length = 18.2 cm, height = 20.4 cm base side length = 22.9 cm, height = 20.7 cm base side length = 30.6 cm, height = 27.3 cm base side length = 40.8 cm, height = 45.5 cm

step-by-step explanation:

if u want da anser kill your teeser ifu hav wun

the answer will be b x² +x-1

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!