PLZ HEL ME Check all the ratios that are equal to 8:10

4:5
2:2
16:20
32:40
36:28

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

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !