Find the values for x so that the perimeter of this rectangle is no greater than 90 centimeters.
30 cm
2x cm
Find the allowed values for x. Do not type any units.

Plz hurry evaluate the expression a+b where a=8 and b=19

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?

The hockey team has been great! in 2008, they won 20% more games than in 2007 in 2009 they won 50% more games than in 2008 what was their overall percentage increase from 2007 through2008?