PLEASE HELP!! Select from the following options:
[] y-intercept
[] (1, 7.5)

1. The value after 7.5 years.
2. The amount of time it takes for the value to decrease by one half.
3. The value after one year.
4. The starting value.

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss