Which expression is equivalent to 15a*b*,
Бачь
o ?
За?ь4
О 3a4b3
О 10a4b3
С 10a4b4

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Answer for 10 points show work you guys in advanced < 3

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.