1. What do all plants need to survive? 2. What do all animals need to survive?

3. Why do animals need shelter?

4. How do plants and animals depend on each other?

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.