The expression 2x + 50 represents the elevation above sea level, in meters, of a rock climber after x minutes of climbing.
what is the rock climber's initial height above sea level?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Which function has the domain x> -11?