Answer:
+3
Step-by-step explanation:
if your subtracting a negitive it means your adding and its now a positive
No it does not. when solved you should get y=3/x, meaning it shows inverse variation.
Since she flipped the coin 20 times and got 4 heads and 6 tails, you put it as a fraction. So, it's 4/16 if you simplify 4 over 16 you get 1/4. You get this by dividing by 4 both numbers.