Lets say you buy the newest iPhone. However there is a student discount of $200. Its retail price is $1,699. If retail tax in Texas is 8.25%, how much will you pay in total (retail price, taxes, and discount included). When
calculating tax amount round to two decimal places indicating the cents. Make sure to include the dollar sign in your
answer.

people went from manufacturing one object at a time by hand to manufacturing many objects in factories

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!

to be honest i don't know but i need points so