For the 2017-2018 school year, the average costs for one year at a two-year college are projected to be: tuition/fees:     $4,391 room/board:     $10,406 books/supplies:    $1,724 transportation:    $2,313 other expenses:   $3,025 expected grant aid:   $5,702 what is the expected student contribution for a student living on campus in 2017? what is the expected student contribution for a student living at home in 2017?

Often, a goby fish and a shrimp will live together in a burrow the shrimp has dug in the sand. the shrimp is almost blind and therefore is unable to see predators approaching when he is outside of the burrow. when the shrimp is in danger, the goby fish touches the shrimp with its tail to warn him. then, both go back into their burrow for safety. which type of relationship does this represent? a. mutualism b. parasitism c. commensalism d. predator/prey