Write the properties of Arithmetic Mean. Also find Arithmetic mean, Geometric mean and Harmonic mean from the following data. Classes 30-39 40-49 50-59 60-69 70-79 80-89 90-99
Frequency 8 87 190 304 211 85 20

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2