The square of the difference between a number and 10.

Whats the square of the difference between a number and 10

(x-10)^2 = (x-10)(x-10) = x^2 - 10x - 10x + 100 = x^2 - 20x + 100

Step-by-step explanation:

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*

a. she will receive a refund of $278.

step-by-step explanation: