Answer:
62 sq in of wall is covered
Step-by-step explanation:
6 x 14 = 84 -22 = 62
this is for the total
4 x 4 = 16
this is for the inches of the inside wall
2 x 3 = 6
this is for the inches of the outside wall
First Part:
For every parenthesis with a plus sign to its left, you can eliminate the parenthesis (take into account that plus×minus=minus)
a + a - b - a + b
Then you add like terms. This means you add/subtract a with a and same with b and b (I'll organize the terms in alphabetical order but it's not neccesary)
a + a - a - b + b
Since a - a =0 and b - b = 0,
a + 0 + 0
Answer: a
Second part
Since you have a minus to the left of a parenthesis, you have to change the signs of all the terms inside the parenthesis before you eliminate the parenthesis.

Answer: 2a^2
Answer:
about 465 students do not prefer non-fiction
Step-by-step explanation:
first I labeled each section on the pie the
the blue area looks like the smallest so that's most likely 60 students
then orange is 75 students
dark blue is the biggest so its 180 students
gray and yellow are the last ones left and gray is bigger than yellow so gray is 150
the number of students that prefer non-fiction is 100 so you add all the other number to get how many students don't prefer non-fiction=465
I hope this helps and makes sense ;D
Answer:
3.46
Step-by-step explanation:
Answer:
22, 30
Step-by-step explanation:
52/2=26
26-4=22
26+4=30
30+22=52