I need help with this

A = πr^2 = π·9^2 ≈ 254.469

in exact terms

A = π*9^2 = π81 = 81π

Step-by-step explanation:

enter the first answer if you don't need exact measurements, if you need exact measurements enter the second answer.

step-by-step explanation:

this is not a question

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.