Step-by-step explanation:
3)
(2x-3)(2x+3)
2x(2x+3)-3(2x+3)
4x²+6x²-6x-9
8x²-6x-9
y2-y1
x2-x1
Set up (-3,5) and (7,-9)
Which will be...
Y2=-9
y1=5
X2=-3
X1=7
Put the y coordinates on top of the x coordinates and subtract...
That;s your answer
Answer:66.5
Step-by-step explanation:
you have to add all the hours toghether(sry i spelled that wrong) and then you minus 30 min(bc of the break ) so its 7 hrs. Then u multiply by $9.50= 66.5
Here I have a video that can answer your question
<span>https://youtu.be/iVs4dQsKBGE</span>