The senior counselor is making a histogram of the yearly cost of tuition of 20 colleges. tuition ranges from $5,000 to $51,000 a year. what would be best to count by, on the tuition axis?
a.1,000s
b.5,000s
c.10,000s
d.15,000s

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

For what value of x does 4x = (1/8) x + 5?

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut