Some fossils provide evidence to suggest that Earth's climate has changed over time. What information can scientists obtain from these fossils? temperatures number of species that existed movement of continents cause of mass extinctions

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

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.

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?