Evaluate 4(5×1÷20). name the property used in each step.

P-Parentheses E-Exponents M-Mutiplacation D-Division A-Addition S-Subtraction

Start in the parentheses and multiply first 5 times 1 then use division 5 divided by 20 is 4 then multipy the 4 which is 16

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!

$119.20

step-by-step explanation:

$372.50 - 60% off is $149. $149-20% off is $119.20