Solve the following system of equations graphically.

1. 2x + 3y =2; x -2y=8

2. x -2y =2; 4x -2y = 5

Write the fraction or mixed number and the decimal shown by the model

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

Identify the number as a regional or irrational.explain. 291.87