In the following quadratic function, the y-axis represents elevation in feet and the x-axis represents time in minutes. approximately how long will it take to reach a height of 30 feet?
a. 10 minutes
b. 8 minutes
c. 12 minutes
d. 6 minutes

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?