An earthquake measured 5.0 on the Richter scale. Use the formula R = log ( 4 ) to determine approximately how many times stronger the wave amplitude A of the earthquake was than
Ao.

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2