Joan had 198 dollars to spend on 9 books. after buying them she had 18 dollars. how much did each book cost?

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no