A freight travels 20 miles. It goes 3 mph faster on the return journey than on the original journey. The trip there and back takes 10 hours. How fast did the train travel on the original
journey? How fast did the train travel on the return journey?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

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.

Which of the following circles have their centers on the x-axis? check all that apply.