Joe worked at 21 hours on his class project he worked it three times as long as mary did how long did mary work on her project

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85