The function p(t) = 3•e ^ 0.0866t describes how to find the pollution level p(t) in relation to any time t, where t is the number of years after 1970. according to this information , what was the pollution level in 1980? round to the nearest hundredth
a. 7.13
b.2.38
c. 2.36
d.7.09

What two criteria are needed for triangles to be similar

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.