A rock pile decreases in size by 2/5 in. perh the total change in the Size of the rock pile is -7/12 inches how many hours has the rock pile been decreasing

What expression is equivalent to 1/2(2+3x-6)

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.