Solve for the value of x that makes likes r and s parallel.

For the equations below which statement is true ?

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?

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)