Do the ratios 6/2
and 3/1
form a proportion?

What is the volume of the sphere shown below with a radius of 3?

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?

Which expression is equal to (f+g)(x)?