Find the circumference of the given circle pls pls

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

What is the first step of an indirect proof of a number that is divisible by two

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2