Answer: the rule is to add 1.5
3 + 1.5 = 4.5
4.5 + 1.5 = 6
6 + 1.5 = 7.5
etc...
A line is 180°, so the supplementary angel makes up the difference between. 180 - 60 = 120°
Answer: -5 < x + 1 < 3
Step-by-step explanation:
Let x be the number.
-5 < x + 1 < 3
Sarah starts with 3 fish
in 1 month she will have 6 fish
after 2 months she will have 12
in 3 months she will have 24
