Find the missing value.
Hint: Use the number line to find the missing value.

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Franco wants to double the volume of the cone. what should he do?

Three times the sum of a number and seven is negative thirty-six. what is the number?