Find the solution of the system of equations.
– 2 – 8y = -30
2x + 8y = 36

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

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

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show