Jennie was using the properties of operations to help her use mental math to subtract the rational numbers shown. Look at Jennie's strategy. What property of operations did Jennie use in Step 3?

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.