John is standing on a bridge when he accidentally drops his toy over the railing. The table shows the height in feet, f(t), of the toy at t seconds.

Choose the function that represents the data.

f(x) = −x16 + 200
f(x) = −16x2 + 200
f(x) = −16x + 200

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

What is the gcf of 20c^3-5c^4+30c^6

Which situation is an example of an observational study?