Prime numbers are numbers that only have a factor of one and its self.
Answer:

Step-by-step explanation:

Answer:
0.53
Step-by-step explanation:
Basically just go to your calculator and put in 8 divded by 15
Answer:
x = 19
Step-by-step explanation:
The two angles with measures are supplementary.
6x + 9 + 4x - 19 = 180
10x - 10 = 180
10x = 190
x = 19