If A = (-1,-3) and B = (11,-8), what is the length of AB? A. 14 units
B. 13 units
C. 11 units
D. 12 units
SUBMIT
A

B

Step-by-step explanation:

Use the distance formula:

Let (-1,-3) be and , while (11,-8) be and .

Thus:

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!

what is the question?

step-by-step explanation: