Need help on this please

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 expression is equivalent to 42x-56y

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !