Answer:
2?
Step-by-step explanation:
30
20+2(3*7 - 4*4)
20+2(21-16)
20+2*5
20+10
-12 + √(144- 4(-42)/12
-12 + √312/12
-12 + 17.6 / 12
= +.47 and -.47
ok so 3-1.7=1.3
this is bc 3-1=2-0.7=1.3