Can u help me please

1. are the triangles similar and if so why? what is the value of x? show your work.

Franco wants to double the volume of the cone. what should he do?

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?