A family's monthly utility costs are $130 for phone, $150 for electric, $105 for cable TV, $65 for water/gas, and $75 for Internet. By eliminating cable, by what percent does the family reduce total utility cost?

Explain how you can use the associative property to evaluate (7x50)x4.

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.