Which statement represents an exponential situation? a. the number of bacteria in a petri dish doubles every second

b. beth’s yearly salary increases by $500 each year

c. andy’s weight decreases by 2 pounds per month after he starts exercising

d. the level of water in a bucket increases by 3 inches per minute

What expression is equivalent to 1/2(2+3x-6)

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.

The triangles are similar. what is the value of x? enter your answer in the box.