On the coordinate plane shown, each grid unit represents 10 feet. Polygon QRST has vertices Q(10, 10), R(−10, 10), S(−10, −20), and T(10, −20), and represents the floor plan of a room. Find the perimeter and area of the room. I WILL GIVE WHOEVER ANSWERS THIS 33 POINTS

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

What is another way to express 36 +32

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score