Answer:
20
Step-by-step explanation:
n-50=30
n=-30+50
n+20
Answer:
1/9
Step-by-step explanation:
There are 10 x 9 ways to choose two balls from the urn. Order does not matter, since Carlo must have the larger ball. So there are 10 choose 2 total ways to choose the balls. If Carlos has the 6, Eric can only have balls 1-5, so the answer is 5/45, or 1/9.
Answer: Arrows are used to show the feeding relationship between the animals.
Step-by-step explanation: The arrow points from the organism being eaten to the organism that eats it.
The answer would be D if it’s not including the number six, but if it’s 6 or less then it would be E