Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest