The answer is 102
3x+2x+50=180
5x+50=180
5x+50-50=180-50
5x=130
5x/5=130/5
X=26
2(26)+50=102
Random sampling. its where you pick or make a smaple at random
For this one your answer is -309
Answer:
1
Step-by-step explanation:
The absolute value of -3 is 3, so 4-3=1