100 points !
what should you do if in the review phase of problem solving, you find the answer doesn't make sense

answer: change the answer and try again!

step-by-step explanation: check you answer with an adult or a try again!

answer:

answering these questions is actually pretty easy. all you have to do is follow five simple steps. if you're rigorous about the problem-solving method you use, i promise you'll improve your chances of solving the right problem, generating solutions that address the true root cause, and selecting the ideas with the greatest impact.

step 1: pin the problem

step 2: identify the issues

step 3: generate hypotheses and prioritize proving them

step 4: conduct your analysis

step 5: advance your answer

there you go! five easy steps for solving even the most complex problems. note that the method is about clarity, focus, simplicity, and elegance. it's not an excel competition. it's about who can crack the biggest problems the fastest and also who can crack the most problems in the shortest period of time. i know it seems simple, but the discipline takes a long time to acquire.

21.4 i did it already for s1

step-by-step explanation:

22

step-by-step explanation: