Of the 21 children at a park, 5 of them are playing on the swings. What is the approximate percent of children that are playing on the swings?
А: 5%
B: 25%
с: 40%
D: 50%

Please no link! Explain and I’ll mark as brainlest!

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)