Simplify each expression
8a-4a

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30