18. A scale balanced with 1 blue x-block and 20 green blocks on the left side and 40 green blocks on
the right side. A student bumped into the scale
and knocked some blocks off so that only 1 blue
x-block and 3 green blocks remained on the left
side. How many blocks do you need to remove
from the right side to make the scale balance?
This is for 70 points if correct

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

What does the relationship between the mean and median reveal about the shape of the data

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude