12. A man wants to spray the entire surface of the Earth (including the oceans) with a new weed killer. If it takes
him 10 seconds to spray 1 m2, how long will it take to spray
the whole world? (Radius of the Earth = 6370 km; ignore leap years)

Which of the following tables represents exponential functions?

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line