Please help answer this question (correctly)​

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!