The angle θ lies in quadrant ii. cos θ = -2/3 what is tan θ? options:
√5/3
-√5/2
√5/2
-√5/3

Ineed if you could explain and give me the answer you! this needs done

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?