I have to use the egquation y=mx+b
The information I was given is that the slope is 4/5 and the y-intercept -8
I don't understand this, can anyone please explain?

y=4/5x-8

Step-by-step explanation:

The slope intercept form, or y=mx+b, has m to represent the slope and b to represent the y intercept, or the point where the function crosses the y-axis. Therefore, the equation you should use is y=4/5x-8. From here, if you plug in either a known x value or a known y value, you can find the other one. Hope this helps!

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .

step-by-step explanation:

de-gf

hj=3x+20

ji=15x-64