Please help!
If QRST is a square find RT

What is the value of x in the diagram below?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

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?