The measure of an interior angle of a regular polygon is 1800 degrees. how many sides does this polygon have

4+(2+x) can you me solve this problem

What is the point slope form of a line with slope -5 that contains point (2,-1)

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2