Answer:
Take away the 58 boxes from the 72 boxes and you will have 14 boxes left.
Then you have to multiply the 14 boxes left, by the 12 packs of pencils what gives you 168 packs of colouring pencils left.
hi
f(x) = -12x²+9x
So
f'(x) = -24x +9
if x = 6 then f'(6) = -24 (6) +9 = -135
-4
Step-by-step explanation:
i think
z=2
60=-5(-6-3z)
60= 30+15z
60-30=15z
30/15=15z/15
2=z
I'm not sure but maybe like 5