I am pretty sure the answer you are looking for is 12
28 each book 155-15=140 and then 140÷5=28
Answer:
Yes.
Step-by-step explanation:
Because 12:8=12/8=3/2.
And 18:12=18/12=3/2.
If both lines are same length then 7+3=10
Answer:
Step-by-step explanation:
Assuming the given equation is actually
.
Then 
The sum of roots of the new equation is 

The product of the roots of the new equation is 

The new equation is given by:


