Answer:
11
Step-by-step explanation:
((6)^2) - ((5)^2) = 11
39 / 3/5 =
39 *5 = 195 / 3 = 65
65-39 = 26 people stayed home
Answer:
Step-by-step explanation:
A theatre has 4 chair in a row; lets draw that out
Let's pretend that this is a chair: ♦
So we have 4 chairs in a row
♦ ♦ ♦ ♦
And there are 5 rows
♦ ♦ ♦ ♦
♦ ♦ ♦ ♦
♦ ♦ ♦ ♦
♦ ♦ ♦ ♦
♦ ♦ ♦ ♦
Let's find the perimeter;
4 + 5 + 4 + 5
=18
The perimeter is 18 rows.