Julian earned $437.00 at his job when he worked for 19 hours. How much money did he earn each hour?

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Acircle has a circumference of 7.850 units. what is its radius?

Can someone answer this question for me