Your answer is: 63 is 90% of 70.
The work (if needed) is shown above :)
Answer:
the x intercept is -4
Step-by-step explanation:
to find the x intercept, set y = 0 and solve for x
y = 5x+20
0 = 5x+20
subtract 20 from each side
-20 = 5x +20 -20
-20 = 5x
divide each side by 5
-20/5 = 5x/5
-4 =x
It’s going to be B. 50+60+70=180 which is how many degrees are in a triangle.