They forgot to distribute the 3 over to the 1. the correct work should look like:
3(x+1)=6
3x+3=6
3x=3
x=1
8) factor 6+17g+10g^2
10g^2+17g+6
(5g+6)(2g+1)
C is the answer.
9) which one is a perfect square?
4x^2-14x+49 doesn't factor
4x^2-28x+49=(2x-7)(2x-7)
x^2-x+1 doesn't factor
x^2-2x+2 doesn't factor
B is the answer.
11) factor y^2-2y-48
(y+6)(y-8)
D is the answer
12) for the last one you can multiply the answers out of factor.
Sorry this took forever. It's hard to use the website cuz I'm used to the app.
Best wishes!
The answer would be 20,775,4
Answer:
180 yards.
Step-by-step explanation:
80% of 225 = 180.