A manager purchased a total of 15 coffee mugs and key chains. Each coffee mug cost $8.00 and each key chain cost $3.00. If the manager spent a total of $100 how many coffee mugs did the manager purchase?​

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

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

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.