I need help please someone

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

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters