Answer:
2
Step-by-step explanation:
2=3x-4
6=3x
x=2
Supplementary is when 2 angles add up to 180°.
180°-40°=140°
First you need to multiply the one in the bracket 7x2 which is 14 then u must multiply it with 3 to get the answer so 14x3 which equals to 42
Pretty sure it’s common to find fossils of soft tissues from dead organisms!