What is the 100th term of this sequence?
an= -7n+ -5

15 point ! ~ see if you know the answer to both you!

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?

Could somebody me with this radical simplification?