Anne, Bob and Chris went to the sale. The amounts of money spent by Anne, Bob and Chris were in the ratios 2 : 3 : 7
Anne and Bob spent a total of $320 in the sale.
Work out the amount of money Chris spent in the sale.

4. find the geometric mean of 4 and 12. 24 8

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

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.