Answer:
40x-24y
You simplify through distribution
Answer:4
Step-by-step explanation:
X= 2
3x= 3×2
3×2=6
6-2=4
Remember that the terms of a polynomial are the parts of the polynomial separating by addition and subtraction; in other words, the parts separated by (+) and (-) signs. Knowing this, we can separate the terms of our polynomial:

- First term:

- Second term:

- Third term:

- Fourth term:

- Fifth term:

We can conclude that there are
5 terms in the polynomial

.
Sixth grade:
7 | x x x x x x
8 | x x x x
9 |x x x x x x
A | x x x x . . . . . . . . where "A" is used to represent 10 tens (100)
7th grade:
5 | x x x x x
6 | x x x x x x x
7 | x x x x
8 | x x x x
The range (low, high) and median of the 6th grade scores are all higher than those of the 7th grade scores.
Based on visual inspection, Grade 6 appears to have the higher mean score.