Aflying disc has a 4 3/4-inch radius. what is its circumference? use pie for 3.14

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2