Answer:
-4
Step-by-step explanation:
3+1 = 4 so just put a dash at the start and you ger -4
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: (0,10)
Step-by-step explanation:
Answer:
11.1d + 3.2h - 15
Step-by-step explanation:
Answer:
positive is the correct answer