Please select the correct grouping to factor the following polynomial: NOTE: This is not the final answer.

x2 + xy + 8x + 8y

A) x(x + y) + 8(x - y)
B) x(x + y + 8) + 8y
C) x(x + y) + 8(x + y)
D) x2 + y(x + 8x + 8)

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

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.

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?