Mr. Sanchez needs to ship a package weighing 20 pounds using overnight delivery. Which company should he use to minimize his cost? Be specific by providing cost comparison. Circle your choice: Lone Star Shipping Co. or Discount Shipping Co. Explain

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?

What is the rest of the question?