A parabolic arch has a height of 20 ft and a width of 30 ft at the base. If the vertex of the parabola is at the top of the arch, at which height above the base is it 16 ft wide? A. 13.31 ft B. 13.58 ft C. 13.88 ft D. 14.31 ft

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar