Compare:
a. surface area of a sphere with a radius of 1cm
b. area of a circle with a radius of 2cm
answers:
1- a> b
2- a 3- a=b
4- cannot be determined

if you explain the the question more correctly i might be able to answer this better

step-by-step explanation:

6 meters

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!

sorry

step-by-step explanation:

sorry, but im pretty sure its a now that i look at it