Tina wants to save money for school. Tina invests $1,000 in an account that pays an interest rate of 6.75%. How many years will it take for the account to reach $18,600? Round your answer to the nearest hundredth.

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

What percent of 18 is 24? and plz explain thx.