I'm stuck on these three questions can someone PLEASE HELP ME.! (When answering can you please address the question you answering)

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

Match the one-to-one functions with the graphs of their inverse functions.

A23 – year – old male buys 100/300/100 liability insurance, collision insurance with a $100 deductible, and comprehensive insurance with a $250 deductible? what is his total annual premium? (a) $1142.00 (b) $1765.45 (c) $1770.10 (d) $1785.25