6x plus 3x plus 4 minus 2
3x=90 2x=50
And the last one is 40
Procedures can also be called methods because they are like steps and rules that you can follow.
Answer:
2n
Step-by-step explanation:
Pythagoras 
2 squared plus 2 squared = 8 but you need to find out the root of 8,
square root of 8 is a surd, so answer in that
Answer:
Step-by-step explanation:
Set B = 60 elements
Set A = x elements
A∩B = 12
A∪B = 82
x = (82+12 - 60) = 34 elements