Check the picture below.

so, you simply have a 3x3 square and a triangle with a base of 3 and a height of 3, get their areas, sum them up, it'd come out to 9 + 4.5 or 13.5.
Answer:

Step-by-step explanation:
Given
The attached data
Required
%Absentee on Friday
First, calculate the total present


Calculate the %Present on Friday




Using complement rule:



N=10-7
n=3
Now
2n-2
2*3-2
6-2
4
8 * 18 = 144
200 - 144 = 56
so $56 dollars would be left in your bank account
Answer:
9-63x
Step-by-step explanation:
9(1-7x)
9-63x