The sum of two numbers is 9 and their difference is 7

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

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?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m