90 square ft (try and look at it like each side is a 2d rectangle, find the areas of the sides and then add them up.)
2a + b^2
2(3) + 2^2
6 + 4
10
(x-3)/y
((12)-3)/(3)
9/3
3/1
3
Answer:
-8-(-11)-7
= -8+11-7
= 3-7
= -4
Step-by-step explanation:
Since it's a rectangle, each angle equals to 90 degrees, since total degrees 360 divided by 4 is 90 degrees.
So,

Answer : x = 45
Hope this helps. - M
To find answers like this, you have to divide the percentage into the number given so:
45 / .60 = 75
She teaches 75 math students