I have a question oof I forgot but I win

What is the length and width of a 84.5 square foot rug? will mark

The height above the ground (in feet) of a ball dropped from the top of a 30-foot-tall building after t seconds is given by the polynomial: ? 16t^2+30 what is the height of the ball after 1/2 second?

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.