The following are the ages (years) of 5 people in a room:
13, 22, 15, 14, 15
A person enters the room.
The mean age of the 6 people is now 16.
What is the age of the person who entered the room

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?