Answer:
first one with -1...21
Step-by-step explanation:
only one that follows quadratic formula format
<span>slope
m = (1 - 1)/(0 + 2) = 0
(x1, y1) as (-2, 1)
</span><span>point-slope form</span><span>
y - y1 = m(x - x1)
y - 1 = 0(x + 2)
y - 1 = 0
y = 1</span>
8.
48/6 = 8. hope this helps :)
9y+7 + 7y-19 = 180
Y =12 degrees
