Which fraction and equivalent decimal correctly shows the ratio of shaded circles to all circles?

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

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?