A worm is at the bottom of a 40m hole. It can crawl upwards at a rate of 4m in a day, but at night, it slips back 3m. At this rate, how many days will it take the worm to crawl out of the hole?

Ineed with the quizzes in apex mathematics ii

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.