A survey found that 50% of teenagers receive their spending money from part time jobs. If 7 teenagers are selected at random, find the probability that at least 5 of them will have part time jobs

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25