Which of the following statement is true ?

B- (0,0) is a solution to n=m and to n=4m.

The two lines will go through (0,0), so this statement is correct.

A- Is incorrect since the lines are not straight, and the lines are still a function.

C- Is incorrect since the two equations are different, so they will not be completely the same.

D- The lines aren't completely the same, but they have some similar solutions.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d