Pleasee help asap i dont have much time worth 10 points

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?

Ineed with number 6 , explain how to get 1978

Iwill give you ! what is the measure of ∠v ?