Paul’s dad is putting up a fence in part of the back yard. The length of the fence will be 20 feet and the width will be 15 feet. What is the perimeter of the fence? 35 ft
70 ft
68 ft
300 ft

What's the difference between: x≥0 and nonnegative integer. ?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Me with this one question, and i'll upvote the brainliest answer