-2(2-1)^2-15
-2(1)-15
-2-15
-17 is the answer
There are 2 solutions to this problem. One is that 2.5 is 120% of a number and that 2.5 is 80% of a number.
2.5=1.2x
x=25/12
2.5=0.8x
x=25/8
Ok
1. m=1/3; (2,-3)
use point-slope form first. (y-y₁)=m(x-x₁)
(y+3)=1/3(x-2)
y+3=1/3x-2/3
y-1/3x=-3 2/3
just follow the same rule for the other questions
sorry am in class and have other stuff to do