If ir means not, then irrational means not rational. Pi is and irrational number.
Answer:
The answer is 115.2.
Step-by-step explanation:
1) C(2
2) A(-4
3) B(4+(2+1)=4+2)+1
4) D(3(2x4)=(3x2)4
5) A(5+6=6+5
6) C(12x1=1x12
7) D(Exponents
8) A(addition and subtraction
9) A(55
10) B(19
