Some freworks are fred vertically into the air from the ground at an initial speed of 80 feet per second. The equation for this object's height “h” at time “t” seconds after launch is h = -16t^2+ 80t. How long will it take the fireworks to reach the ground?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.