***PLEASE HELP*** For the following question, what is the value of x to the nearest tenth? (Please give me both the answer and explanation)

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

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?