18. What conditions must be true for Ax^2? + Cy^2 + Dx + Ey = 0, so that the conic section is a parabola with vertex (0,0) and horizontal axis of symmetry?

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

What is the solution of log2  (3x  -  7)  =  3? 4 5

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?