The diagram shows how Anji tested the stems. What should Anji keep the same in her experiment? choose 2 answers from the list

-the length of each stem
-the width of the card
-the weights hung on each stem​

Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

What does the number 18.9984 represent in the image?