help with question 5 and 6 please

QUESTION 5 Solve the problem The function A. Ace-0.01385x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 800 pounds of the material are placed in the vault, how much time will need to pass for only 152 pounds to remain? 240 years 125 years 130 years 120 years QUESTIONS Solve the problem. In a networking marketing plan for a company, each distributor is expected to recruit 3 new distributors. Jack was the first distributor hired by the company, so he is considered a level 1 distributor. The 3 people he recruits are considered level 2 distributors. The people recruited by the level 2 distributors are considered level 3 distributors, and so on. Write a function that models the number of distributors D at each level L. How many distributors would there be at the fifth level? For the toolbar, press ALT F10 (PC) or ALT+FN.F10 (Mac) TT TT Paragraph Arial 3 (12) T GI X DOO T T f. Mashup MINTH Path:p Words: 0