Please Help!! (will give brainliest for best answer)

Which statements are true about each person’s work? Check all that apply.
(images below)

Tanisha: She simplified the X and Y so they will only appear on one side.

Neal: He took away the parentheses so that he could put the exponent elsewhere.

They both are doing the problem right, just in completely different ways.

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40