What is the square root of 12 plus the square root of 27?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

What are “like terms”? why can we only add like terms?

Is it true or false i’m trying to pass this test so i can leave school