Gina is a tour boat operator and she wants to know the mean age of all the people in her tour group. she randomly selects 8 people in the group and asks them for their ages. their responses are 19, 27, 25, 21, 44, 22, 45, and 34. what is the best estimate of the mean age of all the people in the tour group? round to the nearest whole number.

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay

Alocal hamburger shop sold a combined total of 601 hamburgers and cheeseburgers on friday. there were 51 more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday? a local hamburger shop sold a combined total of hamburgers and cheeseburgers on friday. there were more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday?