Alright, for the guide
basically,
when you divide 2 numbers with the
<u>same</u> sign, the result is
<u>positive</u>example,

and

when you divide 2 numbers with
<u>different</u> signs, the result is
<u>negative</u>example:

and
For the month he needs 5classes*10dollars= 50dollars
50dollars from classes +salary per month which is 50dollars=100dollars
I believe the length is 18 and the width is 3.
6.05
Step-by-step explanation:
r=squareroot a/π= square root 115/π = 6.05
Answer: - = less than
x = product
/ = quotient
= is
Step-by-step explanation: