He added 8 to both sides. He did the write thing.
Answer:
4
Step-by-step explanation:
I used a Calculater

Cross-multiplying and rearranging, we get:

or written without using latex:
k^2 = h^2 - 3mq
Can you finish now?
Since the equation is A= 1/2 times base times height, I did the base as 8 and the height as 5.
Answer:
slope 1/7
y intercept: (0, -67)
slope intercept form: y=1/7x - 61/7
Step-by-step explanation:
point slope form is
y+9=1/7 *(x+2)