Which statement best explains why the value of this expression is equal to −812y? 414x − 812y − 414x a. when x = 0, the first and last terms are 0, so the value of the expression is −812y. b.414 is half of 812, so the two 414's will cancel out 812. c. the sum of a number and its opposite is 1, and the product of any number and 1 is the number itself. d. the sum of a number and its opposite is 0, and the sum of any number and 0 is the number itself.

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Samson is going shopping for sugar and butter to make three different kinds of cookies: lemon bars, peanut butter cookies, and sugar cookies. the recipe for lemon bars calls for 2 cups of flour, 2 cups of sugar, and 1 stick of butter. the peanut butter cookie recipe calls for 2 cups of flour, 4 cup of sugar and 2 stick of butter. the sugar cookie recipe calls for 1 cup of flour, 2 cups of sugar, and 2 sticks of butter. sampson has 13 cups of flour at home, and he buys 12 cups (6 pounds) of sugar and 10 sticks of butter. how many batches of each type of cookie can he make? samson can make batches of lemon bars, batches of peanut butter cookies, and batches of 09 cookies submit reset