Numbers 1 & 4 are correct
Answer:
Step-by-step explanation: this problem will result in difference of two squares.
Firstly since they are both areas, it will be area of the bigger square minus area of the smaller squares.
52² - 32²= (52+32)(52-32)
= (84)(20)
=1680inch².
Therefore the area of the material that will remain uncovered will be
1680inches²
Answer:
The width of the room is 
Step-by-step explanation:
we know that
The area of rectangle (area of the room) is equal to
we have
substitute the values in the formula and solve for W
This is the concept of algebra, the average number of muffins baked by each girl will be given as follows;
Muffins baked by Andrea=h muffins
Muffins baked by Violet =h-8
Average=(Total sum of numbers)/(Number of items)
total sum=h+(h-8)=2h-8
Number of items=2
thus;
average=(2h-8)/2=h-4
the answer in terms of h is (h-4)
