The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system. Please select the best answer from the choices provided.

Factor this polynomial completely x^2-64

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079