Step-by-step explanation:

Hence, coordinates A(2, 1), B(7, 1), C(2, 4) form a triangle.
Answer:
45
Step-by-step explanation:
9 into 6 is 54 and 9 into 5 is 45 rest u can understand
<u>Answer:</u>
Supplement of 84° is 96°
Complement of 54° is 36°
<u>Step-by-step explanation:</u>
1<u>) A supplementary angle is two angles that add up to 180°</u>
so to find the supplement of 84° ⇒ 180°- 84° = 96°
2) <u>A complementary angle is two angles that add up to 90°</u>
so to find the complement of 54° ⇒ 90°- 54° = 36°
Answer:
Step-by-step explanation:
14x^2-21
<h3><u>Answer :</u><u>-</u><u> </u></h3>
<u>
</u>
<h3><u>Question :- </u></h3>

<h2><u>Solution :- </u></h2>
<h3><u>First </u><u>way:</u></h3>
<h3>• we have ; </h3>

<h3>So then , </h3>


<h3><u>Second way : </u></h3>


[ ↑ Using commutativity and Associativity ] ...
