In this image, the two angles (equations) form a right angle, which is 90°. You combine these equations: 4y-7+3y-1. When you combine like terms, you get 7y-8. You set this equal to 90°. 7y-8=90. Solve for y, and you get y=12.
Y=mx+b
m= slope so slope= .5
b= y intercept so y intercept=0
Answer:
I don't really know the answer because I don't
Step-by-step explanation: