Triangle ABC is to be reflected across line m to create triangle A'B'C'. Which best describes the location of B'? 7 units to the right of point B. 7 units to the left of point B. 7 units to the right of line m. 7 units to the left of line m.

step-by-step explanation:

which of the following statements correctly describes the expression below based on its degree and number of terms?

314 - 7x2 + 11

(-5,-28)

i graphed to on desmos.

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!

explanation:

step-by-step explanation: