"estimate the square root to the nearest a) integer b) tenth" this particular question is the square root of 18/5. ! any tiny bit appreciated

The number of possible solutions of a polynomial can be found by looking

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?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.