Aset of data already has the values 11, 14, 23, and 16. what value would have to be added to the set for the mean of the five numbers to be 18?

8
12
18
26

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?