help please I will mark u brainliest and give a rate of 5 stars!! and maybe give an explanation pls thank you.​

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points