Una persona tuvo una ganancia del triple de lo que invirtio mas el doble menos $200. Cuanto dinero tiene si invirtio $500?

225/100 of last years cost. write each fraction as a decimal and as a percent

How can you construct perpendicular lines and prove theorems about perpendicular lines

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?