Almost done and i can’t get anymore wrong

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

What is the radical expression that is equivalent to the expression 27 1 over 5?

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x