The formula a=1/2hb1 +1/2hb2 the area of a trapezoid, as a function of the height and the two bases , b1 and b2. for a trapezoid-shaped garden with one base measuring 16 feet a height of 12 feet and an area of 168 square feet. 168=1/2(12)16+1/2(12)b2 what is the length b2 in inches

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.