Thirty plus the quotient of a number and two n = a number (writting algebraic expression)

Find the total area for the regular pyramid ( follow the answer set up in the picture)

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?