You need to isolate the variable <em>h</em>.
1) Subtract both sides by 2.
-4h + 2 = 18
-4h + 2 - 2 = 18 - 2
-4h = 16
2) Divide both sides by -4 (the coefficient).
(-4h) / -4 = 16 / -4
h = -4
Work out 180-96 cus it’s on a straight line then work out 180-130 then add them then and take away from 180
No next time ask nicely instead of “and answer the question that follow”
Answer:
Slope
Step-by-step explanation:
The point of slope is that it is the same the entire length of the line.
The estimated portion of light bulbs that last more than 500 hours will be
x=∑xn=224/430=0.521=52.1%