find the constant sum of an ellipse with the given foci and the point of the ellipse. F1(0,24), F2(0,-24), P(7,0)

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

What is the product? a-3/15a × 5/a-3

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x