Answer:
y = -3x+4
Step-by-step explanation:
y = -3x+b
7=-3(-1)+b
7=3+b
4=b
Do it your self
Gross
Answer: AC=3.5
Solve proportionally:3 over 4 equals 1.5 over x.
3x= 6
6/3=2
X=2
2+1.5=3.5
the 3rd one