3. whats the unknown value in the proportion: 9⁄x = 27⁄39 a. 13 b. 38 c. 6.2 d. 36

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get

Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]