The kefauver-harris amendment of 1962 required that a drug be
a. inventoried by the pharmacist every two years.
b. not only safe but effective.
c. used prior to proof of effectiveness, if necessary.
d. labeled as either an over-the-counter (otc) or prescription drug.

On a piece of paper graph f(x)=5•(0.4)^x

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.

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?