Pls help i suck at math
what does x= for number 9 and 12

If the value of cos330°is√3/2 then find cos 165°.

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?