Mary baked 56 cookies. She had to bake 300 cookies in order to win $400. She made 72 more cookies. Then, she lost 34 of them. How many cookies does she have now? How many more cookies does she need in order to win $400? Show your work. PLSSS HELP!!!

SHOW ALL WORK, ANSWER ALL QUESTIONS AND YOU WILL GET BRAINLIEST!

IM DEPENDING ON ALL OF YOU GUYS! DONT FAIL ME! PLS!

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.]