Identify the explicit function for the sequence in the table.

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.

When do you think it’s best to take the psat (what grade year / when in the year)?

Ten students compared the amount (in dollars) they spent on books each week. the box plot shows the results. the median amout they spent each week is . the difference of the first and third quartiles of the data set is?