what is the arc measure of arc ad in degrees if Angle APD is 7x-1 and angle CPB is 9x-7 degree and angle DPC is a 90 degree angle

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the