Identify a possible first step using the elimination method to solve the system and then find the solution to the system.

3x + 2y = 24
6x + 2y = 30

A) Multiply second equation by 2, solution (2, 9).
B) Multiply first equation by -2, solution (2, 9).
C) Multiply second equation by 2, solution (2, -9).
D) Multiply first equation by -2, solution (2, -9).

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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 −