Answer:
n=-14
Step-by-step explanation:
B) C=0.23m+34.99
because you get you base price definitely and extra minute price can be removed if you don't use more than 100
Answer:
3 good luck with the answer
Answer:
(a) 
(b) 
Step-by-step explanation:
(a)
can also be written as
x 
the
= ± y
Therefore :
= ±
since it was given that y < 0 , then the factor will be 
(b)
can also be written as :
x 
Therefore , one of the factor is 
Answer:
7.5 is the perimeter
Step-by-step explanation:
perimeter is sum of all sides