Answer:
The area that was not painted is 
Step-by-step explanation:
step 1
Find the area of the rectangle
we know that
The area of a rectangle is equal to

In this problem we have


substitute

step 2
Find the area that was painted

step 3
Find the area that was not painted
Subtract the area that was painted from the total area of rectangle
so

Answer:
add the 2 equations together
Step-by-step explanation:
i was in class when I heard this so it should be correct
Answer:
0 + 1
______
i
= -1
Step-by-step explanation:
0 + 1
____
1
1
___
1
1 X i
______
i X i
1i
___
iX i
i
____
-1
= -1
Answer:
15 x 6 x 8
Step-by-step explanation:
total money is cost per lawn times number of lawns per week times number of weeks
cost per lawn is $15
number of lawns per week is 6
number of weeks is 8
so cost total money is 15 x 6 x 8 which is none of them
where did the 20 and 11 come from?