Saturn takes 17.6 more years than Jupiter, so 17.6 + 11.9 will get you how long Saturn will take to orbit the sun, which would give you 29.5 years.
3 Eggs: 4 times what equals 12? (We use 4 because its 1/4 or a quarter) 3 times 4 equals 12.
Answer:

Step-by-step explanation:
The coordinates of the midpoint:

x₁,y₁ - the coordinates of one endpoint
x₂,y₂ - the coordinates of the other endpoint
I don't think that you can. Integers are either positive or negative real numbers without decimals, so there isn't anything to simplify.