Sarah gets $5.50 each week for allowance. her mom makes her put $20% in her savings account. how many weeks until she can spend $20 on a new chair for her bedroom?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

This is about circle theorems. someone asap : (

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?