If you have 20 pieces of paper, each with one digit on it between the numbers of 1 and 20, and you put each of the 20 pieces of paper in a bucket, what is the probability you will put out the number 4 or the number 15. Please respond with a fraction and a percent.

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?