Write the equation of the line that passes
through the points (3, 1) and (9,-3)

What is the value of x in the following equation. -x ^3/2 = -27

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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?