Find all possible values of a, such that ax^2+(2a+2)x+a+3=0 has two roots and the distance between them on the number line is larger than 1.

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?