Does anyone know the mean of 44

What is this inequality notation? t is less then or equal to 2

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?