An artist is using 4 green tiles for every 9 blue tiles in a mosaic. If the artist has 72 green tiles, how many blue tiles would there be in the mosaic?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?