Answer:
1. (2,2)
2. (-20, -1)
3. (4,3)
Step-by-step explanation:
See attached images
Answer:
The length of b is
.
Step by step explanation:
Given information: In ΔABC, ∠A =∠C, ∠B = ß (where ß is an acute angle), and BC = x.
Since two angles are same therefore triangle ABC is an isosceles triangle and side AB and BC are congruent.

According to Law of cosine





Therefore the length of b is
.
You take away from them so your answer will be 4,950
hope this help you with your question~~~~
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meowlover
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
x= 1, y= -4