Sharrah needed a plumber to fix her leak. john's plumbing charges $50 per hour in addition to a service charge of $100. fix'a has a 200 service fee and charges $25 per hour. how many hours will it take the two companies to charge the same amount? it's an equation problem.

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?