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

Given f(x)=2x^2-8x+6 and g(x)=3x-1 find f(x) +g(x) a. 2x^2+5x+5 b.2x^2-11x+7 c. 2x^2-5x+5 d.2x^2-5x-5

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%