I need help with this question. welp
plz explain with detail and show your working

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?