Multiple choice: select the best answerwhich of the following is equal to the expression below? (6^-7)^3a. (-1/6)^21b. (1/6)^21c. (1/6)^-21d. (-1/6)^-21

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

$97520

step-by-step explanation:

add 6% to the value she got from selling the house.