7. Which method would be the most efficient to solve the system? (7 point)
2x + 3y = 28
graphing
substitution
elimination
distributive

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.

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

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5