3x + 10y = -4 / 2x + 2y = 2

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

If 3x+8=3x+8 is it one solution or no solution

Solve for n? [tex]z = \frac{3}{4} mn[/tex]