What is the mean of 1,2,3,5,6,4,9,10

Find the domain of the following expression: 1/(√x)-2

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

The length of a rectangle is 2 inches more than twice it’s width. if the perimeter of the rectangle is 70 inches,find it’s length and width