I think the answer is decay
Answer:
D
Step-by-step explanation:
You can only add/subtract LIKE TERMS ( the exact same variable part )
Think of adding apples and oranges ...
8g-4g + 9h-5h I grouped them like this so you can see the LIKE TERMS.
= 4g + 4h
Get it?
Answer:
32,000cm²
Step-by-step explanation:
It already has an area which is lengh×width
So you only have to multiply with the height which is 20.
Answer:

Step-by-step explanation:
The total amount of cards is 8, and the stack have 4 even numbers, so the probability is
4/8 Simplify it and
1/2
Now, there are just 6 cars bigger than 6, so:
2/8. Simplify it
1/4
Now you have to multiply the two values:
1/2×1/4 = 1/8