Please explain how to get to the answer in-depth and also help me master the concept for future problems

Use the table below that describes two different shipping companies to help you solve the problem. Shipping Company A Shipping Company B *Charges a one-time $450 membership fee *Charges a one-time $200 membership fee *Charges $3.80 per item shipped *Charges $1.30 per item shipped Select which answer represents the number of items when purchased, will result in the same price being charged by both shipping companies. You can assume that each company requires you to pay the one-time membership fee before using the service. 0 0 0 0 58 items 600 items 100 items 580 items

Part A: To the nearest tenth, approximately when will the flower’s height using fertilizer B exceed those using fertilizer A? Explain. Part B: Ryan thinks flowers using fertilizer B will have heights that continue to exceed those using fertilizer A after 5 months. Explain why Ryan is incorrect. Part C: To the nearest tenth, approximately when will the heights of flowers using fertilizer A exceed the heights of flowers using fertilizer B after the first 5 months? Explain.

Please answer all questions that DO NOT already have an answer. Most of these are on the right side.    Please just tell me if there is one solution, infinite solutions or No solution to each of these problems.   I am a hardworking mom. It should be noted that the questions posted on this sheet are not taken for an academic credit. They are going to be my personal answer key for practice sheets I made for my children. I, however, am working longer hours due to COVID-19 and do not have the flexibilty needed to sit and answer these fully.

Please help me with this problem.

John’s average annual income over a 4-year period was $25,000. What would John’s average annual income have to be for the next 3 years so that his average annual income over the 7-year period would be $50,000? Solve this problem in two differ-ent ways, and explain your solutions.

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Please show step-by-step solution and do not skip steps. Explain your entire process in great detail. Explain how you reached the answer you did.

please give me a step by step solution for the following problem: 6(-9)-(-8)-(-7)(4)+11

The product of two consecutive positive odd integers is 399. The two integers are and Enter the smaller integer in the first box.