What is the vertex of the parabola? f(x)=x^2+4x-12 x intercepts: (2,0) and (-6,0)

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

If value of cos330° is √3/2 then find tan165°.

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details