In a fund-raising committee of 45 people, the ratio of men to women is 7:2. Find the
number of women required to join the existing committee so that the ratio of men to
women is changed to 5:4.

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5