Answer:
There's 10
Step-by-step explanation:
You count the little squares, which give you 9 and then you count the big square that all of the little squares are in, which gives you 10 squares in total
The slope is "Undefined"
$40,000
this the workings above
times in the y+9 and y+7 and get y squared + 16x+ 63+80.