HELP ME PLEASE CIRCUMFERENCE AND AREA OF A CIRCLE

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?