Sarah examined 7 random lessons from each textbook for her class. Each textbook has an equal number of lessons. Is this sample of the lessons in the class's textbooks likely to be representative?
This is a yes or no question also

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Hundred and tens tables to make 430 in five different ways

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.