Hi there!
mistake= step 2..
If you can see, the equation is the opposite so this means that to find the answer, your gonna have to add first.. instead of subtracting..
<em><u>1.Add the terms:</u></em>
<em><u /></em>
<em><u /></em>
<em><u>2.Simplifly the terms:</u></em>
<em><u /></em>
<em><u /></em>

<em><u>3.Subtract the terms:</u></em>
<em><u /></em>
<em><u /></em>
Therefore, the mistake was step 2...
Answer:
NOT! (10, 1)
Step-by-step explanation:
3.7
I hope this helps! Negatives cancel out negatives
Answer:
All squares are rectangles.
Step-by-step explanation:
The requirements for a shape to be qualified as a rectangle are that there must be four sides, two sets or parallel sides, and four right (90 degree) angles. The requirements for a square are that all sides must be equal in length and that there must be four right angles. Since the requirements of a square fit under those of a rectangle, all squares are rectangles.
It will be 5 because 4^2+3^2= 16+9=25 and then square root of 25=5