be sure to use PEMDAS so first use the distributive property then work your way from there.
Two negative = one positive
-9 - (-9) = -9 + 9 = 0
your answer is 0
hope this helps
The point-slope formula:

We have the points (-4, -1) and (5, 7).
Substitute:

HOW MANY PAIRS OF JEANS DOES SHE HAVE? Based on the merits, here it is
ASSUMING SHE HAS 5O PAIRS OF JEANS

ASSUMING WE DON'T KNOW HOW MANY PAIRS OF JEANS SHE HAS
Answer:
2/35
Step-by-step explanation:
1 over 7 is 1/7, of means times, and 2 over 5 is 2/5, so 1/7*2/5
Hope that this helps!