Bismuth-214 has a half-life of approximately 20 minutes. Find the amount of bismuth-214 left from a 30- gram sample after 80 minutes.

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit

Solve the equation.then check your solution 8=1.88+a

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?