Since both terms have the same variable to the same power, you can simply add the coefficients...
14x^7
The answer is C.
Step-by-step explanation:
It's C) Ray
Answer:they are all straight across so drag each line to the one that is across from the equation
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Substitute the value of the radius of the Earth into the formula given in the problem, where r is the radius, to obtain the surface area of the Earth:

The problem says that the dry land forms 29.2% of the Earth’s surface, therefore, multiply the surface area by 
Threfore, the area of dry land is the following:
