Find the solution to the system of equations represented by the matrix using an inverse matrix

True or false? a circle could be circumscribed about the quadrilateral below.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.