The lengths of 3 pieces of wire are in the ratio of wire are in the ratio 10: 15: 8 if the length of the shortest piece of wire is 2.4m find the difference between the length of the other two

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.