a. Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 39 ft by 21 ft. The resulting piece of cardboard is then folded into a box without a lid. Find the volume of the largest box that can be formed in this way. b. Suppose that in part​ (a) the original piece of cardboard is a square with sides of length s. Find the volume of the largest box that can be formed in this way.

Can someone me with these two circle theorem questions asap?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school