The answer is D..... sorry I have to put the dots cause it says I need to type more
Answer:
6,I can't help with the second one I wasn't good with that parallel lines
Step-by-step explanation:
Y2-Y1. So 3-9. 6
--------- - - -- = - - =6
X2-X1. 1-2. 1
9514 1404 393
Answer:
b
Step-by-step explanation:
Use the distance formula with the two points Q and P, then simplify and match the pattern of the answer.

The value b goes in the green box.
Answer:
(x-7) (x-8)
Step-by-step explanation:
Break the expression into groups:
= x(x-7) -8(x-7)
Factor out x from:
x^2-7x x(x-7)
Factor out -8 from -8x+56:
-8(x-7)
=x\left(x-7\right)-8\left(x-7\right)