Highest common factor of 150 and 135

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Abcd is a parallelogram find the valuse of x

Does anyone know how to do geometryme with this problem