If 45 cookies will serve 15 students, how many collies are needed for 30 students?

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]