This type of sampling would be Random Sampling.
3. True
4. False
5. False
6. True
7. False
I dont know numbers 1, 2, or 8.
X-12=20
Isolate x by adding 12 to both sides
x-12+12=20+12
x=32
Final answer: The number is 32.
Remember that difference is a keyword for subtraction.
Chart -
x, y
3, 0
4, 1
5, 2
6, 3
The first graph shows the relationship between the equation and chart
2 divided by 18 is 9 and 3 divided by 18 is 6 hope that helps