The answer for question 4:
a) 3(3n-1)=9n-3
b) 9n-3=96
9n=96+3
9n=99
n=11
Slope intercept is almost the best for everything.
point slope is for when you only know the points on a line
standard form is for when solving systems of equations
Let the time spent by 181818 people to paint 181818 walls be X. we can calculate for X by using this formula.
666: 343434 minutes
181818:X
cross multiply
666X=343434 x 181818
X=93757482
The resultant of twelve times two plus the resultant of four times three.
