As the sun went down, its heat is no longer warming the air and Earth.
Answer:
0.9
Step-by-step explanation:
First, convert them all into fractions:


Now, we have:

Cross multiply:

On the left, distribute. On the right, notice that the 3 in the denominator and the coefficient 3 cancel:



Answer:
2x+2y
Step-by-step explanation:
Use the distributive property:
2(x+y)=2x+2y
Have a nice day :-)