Which expression is equivalent to 7a^3(6a^2+a^2)-4a^6?

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1