All work must be shown to receive credit. Further, only fractions (not decimal represen- tations) will be accepted as the final answer.

1. Consider the system of linear equations below. 14x12y= 15 7x+ 16y= 4 a) Solve the system using the substitution method. b) Solve the system using the linear combinations method. c) Which method required less work? Why?

2. Consider the system of linear equations below. 9/13 x+ 14/5 y= 1

5/14 x+ 26/9y= 2 a) Solve the system using the linear combinations method. b) Solve the system using Cramer's Rule. c) Which method required less work? Why?

Consider the system of linear equations below. 6x2y= 4 3x+ y= 10 a) Solve the system using the substitution method. b) Solve the system using Cramer's Rule. c) Why method required less work? Why?