Does 2 dollar equal 100 japanese yen?

Write a corresponding real world problem to represent 2x - 125=400

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

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?