Which of the expressions
is equivalent to h - (-3)?
a) g - (-h)
b) h-g
c) -h-g

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?