Answer:
Variables- x, y and z
Constants- 2 and 8
Coefficients- 3, 7, and 4
Step-by-step explanation:
Variables - The numbers we don't know/trying to find.
Constants- The numbers that remain fixed
Coefficients- The numbers in front of the variables
Answer:
The diameter of earth from pole to pole is equal to
miles.
Step-by-step explanation:
The number to which the distance is equivalent is

Thus, the diameter of earth from pole to pole is equal to
miles.
Answer:
x(6 + 15y)
Step-by-step explanation:
In this instance, you can divide by a factor of x.
6x/x = 6
15xy/x = 15y
Therefore, we are left with 6 + 15y.
Answer:
2950
Step-by-step explanation:
You should add -77 to 77 because it will cancel out.