What is the product of 2√7 and 10√21 in simplest radical form?

Use circumcenter theorem to solve for the given values

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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.