87 sunflower there were 56 sunflower left how sunflower were sold

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)