How many pieces of sod need to cover his yard if his yard measures 30 feet by 14 feet

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

Could someone with number 1 and 2

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?