Nine boards are stacked on the top of each other. The thickness of each board is 11/3cm. How hight is the stack?​

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

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?

1: 4 if the wew 35 surfboards at the beach how many were short boards?