Which expression is equivalent to 3x−12y+223y−56x but what is the choice answer

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

What is the base of 1/9 to the power of 2

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1