Can anyone help me with this please. I posted the picture below. It would be a live saver if anyone could help me. The dropdown menus are the same

Hunter designs two flags for his adventure club. what is the length of the base, x, of the larger flag? enter your answer, as a decimal, in the box.

If 25% of y is 30, what is 60% of y?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.