How many different integers represent the sum of two or more members of the set{-4,-3,-2,-1,0,1,2,3,4}?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.