The table below shows the number of invertebrates found in a tide pool. Find the ratio of crabs to the total number of invertebrates. Then explain its meaning.
The tables is shown below:

Invertebrates Numbers
snails 11
crabs 9
barnacles 18
chitons 14

Which inequality has a dashed boundary line when graphed ?

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?