Write a proportion to find how many points x a student needs to score on a test worth 50 points to get a test score of 78%. $$

A(t)=728(1+0.04)^t how much money did aditya originally invest

How do you solve a question like 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?