In state tuition at a local college was $3809 last year. this year the tuition will be $4715. what is the percent increase of tuition?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Which number line correctly shows 0.8 + 0.3?