Using the algebraic expression for 4n+6 what is the greatest whole number value of n that will give you a result less than 100

Alocal concert promoter purchases 2 3/4 pages of ads. when one of the concerts is cancelled, the promoter cancels 1 5/8 pages of ads. how much advertising space is the concert promoter actually using?

Simplify the expression 10/11(22z) + (a+5) -1

Standard deviation of 19,29,21,22,23