A palm tree casts a 14 foot shadow. The end of the shadow is 22 feet from the top of the tree. How tall is the tree?

X+ y = 5 ; x - y =3 solve using linear combination

Write the expression 7x^3-28xy^2 as the product of 3 factors

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?