Answer:
Step-by-step explanation:

Answer:
x = 5
Step-by-step explanation:
12x - 6 + 6 = 54 + 6
12x = 60
12/12 = 60/12
X = 5
The measure of a right angle is 90 degrees
Answer:
slope intercept form is y=mx+b
your m is 4
all you do is plug the numbers in
y=4x+6