If this tree diagram represents all the students in a high school

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base