Question

Suppose that E and F are points on the number line.

If EF = 12 and E lies at -9, where could F be located?

Answer 1

It’s either at 21 or 3 try it and let me know if works or if not email me and I’ll help you out.

Answer 2

either at -21 or 3

Explanation:

we know that the length is a total of 12 so it either goes 12 spaces to the left or to the right of -9

-9 - 12 is -21 and -9 + 12 is 3