Abaseball is dropped from a stadium seat that is 73 feet above the ground. its height s in feet after t seconds is given by s(t)=73−16t^2. estimate how long it takes for the baseball to strike the ground.

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.