An expression is shown below: the square root of 18 plus the square root of 2 Which statement is true about the expression? It is rational and equal to 4 times the square root of 2. It is irrational and equal to 4 times the square root of 2. It is rational and equal to 3 times the square root of 2. It is irrational and equal to 3 times the square root of 2.

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.