2x+3y=-12 2x+y=4 after adding the two equations to eliminate x you are left with 4y=-8 solve for y

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.

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)