Name the relationship between ∠a and ∠b.

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?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Can someone me with the property questions for 12 13 and 14 plz