Answer:
See below.
Step-by-step explanation:
Either 3 packets of 6 pens or
2 packets of 9 pens.
Answer:
1.25 per min
Step-by-step explanation:
divide 5÷4 and you get 1.25 per min
(x-5)(x+3)=0
x^2+3x-5x-15=0
(x^2+3x) (-5x-15)
x(x+3) -5(x+3)
x-5=0 x+3=0
x=5 OR -3
D. The exclusion is important because we cannot divide by zero. Apart from that we are simply looking at a function.
