How would you convince a fellow student that the number 0.57 is a rational number?
explain and explain the answer but in an answer that hasnt been used before.
pls asap.

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −