Ineed to know the circumference of the coin

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

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

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?