The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system. [1 0 0 0| 9/4] [0 1 0 0| 3/5] [0 0 1 0| 2/3] [0 0 0 1| -9/5]

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution