The outer layer of the earth is called the

a. mantle
b. outer core
c. lithosphere
d. crust

its 4 because 2 times 2 is 4, if you double the number two you get four

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !

x-3y=4

step-by-step e