Answer:
15x
Step-by-step explanation:
Combine like terms.
9+6=15
9x+6x=15x
Answer:
40
Step-by-step explanation:
10 rabbits
+ 3 months = 30 rabbits
40 rabbits
Answer:
2(n+3-24y)
Step-by-step explanation:
hope this helps!
Answer:

Step-by-step explanation:
Heat always flows from a hotter object to a colder one. If heat flows from the sphere to the water, 
A is wrong. If the temperature of the water is greater than 8 °C, heat will flow from the water to the sphere.
B is wrong. If the temperature of the water is lower than 8 °C, heat will flow from the sphere to the water..
D is wrong. If heat flows from the water to the sphere, the temperature of the water will decrease.