Toni can carry up to 11 lb in her backpack. her lunch weighs 1 lb, her gym clothes weigh 2 lb, and her books (b) weigh 2 lb each. how many books can she carry in her backpack?
the inequality .
toni can carry up to
books in her backpack.

step-by-step explanation:

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step-by-step explanation:

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)

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!