Let a and b be integers such that not both are zero. Let D = {am + bn : m and n are integers, and am + bn > 0}. Then the following statements are true: 1. D is a non-empty set of positive integers. 2. D has a least element. Call that least element d. 3. There exists integers x and y such that d = ax + by.

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

What is the product of the radical expression. (7-2square root) (8+2 square root)

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.