Which expression is equivalent to (10x^2 - 1 + 3x) + (5x - 3x^2 - 1)? F 13x2 + 2x - 2
G 7x2 + 2x - 2
H 7x2 + 8x - 2
J 13x2 + 8x - 2

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.

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?

The product of 3 and a number increased by 8 is 31 written as an equation