1. Calculate the mean deviation for the numbers: 75, 83, 96, 100, 121 and 125

A 14.33 B 15 C 15.33 D 16

What is the solution of the systems of equations? y=2/3x+3 x=-2

How to solve a simultaneous equation involved with fractions?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists