ayer ana se gasto 96 euros en varios libros del mismo precio . al pasar hoy por la libreria , ha visto que esos libros estaban rebajados y costaban 2 euros menos cada uno . si con este nuevo precio se podria heber comprado 4 libros mas , ¿cuanto costo cada libro y cuantos libros se compro ?

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute:

false

step-by-step explanation:

the reason i say this is because for a certain length of sides you can pick any two and the length is wither equal or greater than the third side and in this case it's not.

3 + 5 = 8

8 is smaller than 9 which is the third side.

hope this : )