20 key chains: 0.4x=50. Since they are parallel
6+(-5) is the same as 6-5 because when adding negative 5 to 6 you are basically subtracting a regular 5 from 6. So the + in front of the parenthesis makes the 5 a positive: 6+(-5) —— 6-5
Answer:
6
Step-by-step explanation:
You have to multiply the two numbers.
2*4=6
