Which line shows the first error in the solution?
6x + 4 = 3x - 8 ( 1 )
6x - 3x + 4x = 3x - 3x - 8 ( 2 )
3x + 4 = -8 ( 3 )
3x + 4 - 4 = -8 - 4 ( 4 )
3x = -4 ( 5 )
3x/3 = -4/3 ( 6 )
x = -4/3 ( 7 )
a. line 3
b. line 4
c. line 5
d. line 6

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

M the table below represents a linear function f(x) and the equation represents a function g(x): x f(x)−1 −50 −11 3g(x)g(x) = 2x − 7part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)part b: which function has a greater y-intercept? justify your answer. (4 points)