A parabola can be drawn given a focus of (4,-7) and a directrix of y= 11. Write the equation of the parabola in any form

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In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i