Find the area and the circumference of a circle with radius 5 yd Use the value 3.14 for it, and do not round your answers. Be sure to include the correct units in your answers.
5

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.