The function f(t) = -16t2 + 32t +42 gives the height h (in feet) of water from a fountain t seconds after it leaves the spout. When does the water reach its maximum height? What is the maximum height?

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

If m 17 27 90 63 ** picture is attached

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?