Dominic entered a canoe race. He rowed 3 1/2 miles in 1/2 hour. What is his speed in miles per hour?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Jessie and bob are financing $425,500 to purchase a house. they obtained a 30/8 balloon mortgage at 6.55%. what will their balloon payment be?

I'm marking the brainliest and it's 15 points