Rewrite the formula for area of a circle to find the radius of a circle.
the area of a circle (a) is given by the formula where r is the circle's radius. the formula to find r is . if and , r is centimeters.

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

For the inequality |c| < |d| to be true, which of the following must be true?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.