The vertices of triangle DOG are D(-6,-2), O(2,10), and G(6,-8). Find the coordinates of the points of concurrency of triangle DOG.

What is the common difference in the following arithmetic sequence 7,3,-1,-5

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75