Rafael and his sister bought snacks for movie night. Rafael got 3 boxed candies and 1 bag of chips for $6. 99. His sister got 2 bags of chips and 1 boxed candy for $5. 98. Find the cost for 1 of each of these items in dollars.

Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.

What undergraduate degree can a student earn at a four-year college (not specific to a field of study)?

Which labels do x and y represent? x: scattered bundles y: multiples of four or five x: scattered bundles y: multiples of three x: bundles in a ring y: multiples of four or five x: bundles in a ring y: multiples of three