Answer:
Step-by-step explanation:
(a+b)^2=a^(2)+2ab+b^(2)
(a-b)^2=a^(2)-2ab+b^(2)
13)
(x+2)^(2)-(x-1)^2
x^(2)+4x+4-(x^(2)-2x+1)
x^(2)+4x+4-x^(2)+2x-1
6x+3
15)
(x+5)^(2)-(x+1)^2
x^(2)+10x+25-(x^(2)+2x+1)
x^(2)+10x+25-x^(2)-2x-1
8x+24
<em>Answer:</em>
24.64
<em>Method:</em>
You get 10% of the shirt cost, and it on to the 22.40
The answer is -7! hope this helps
-850 feet,
-1200+800-450,
Assuming that it started at 0
X= 3/2 like the fraction 3 over 2
