For multiplication, if both integers have like signs, it is always positive. If they have unlike signs it is negative.
For division, if both integers have like signs it is positive. If they have unlike signs it is negative.
Is it not zero ???? ? ? ?
Combine like terms
9r+r=10r^2
7b+b=8b^2
10+10r^2+8b^2+4n
Answer:
Step-by-step explanation:
Width of the room in the drawing = x
1 : 3 :: x : 18
Product of means = Product of extremes
3 * x = 18 *1
x = 18 ÷ 3
x = 6
Width of the room in the drawing = 6 inches
Answer:
20%
Step-by-step explanation:
