What is the value of this expression when a=20 5a

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function