Answer:

Step-by-step explanation:
To write the equation using a center and a radius, use the vertex form of the equation.

Substitute the values h=10 and k=4 into the equation along with r = 4.

Answer:
1. $250,000× 6,5%= $16,250
$310,000×6,5% = $20,150
therefore $16,250+$20,150=$21,800
2
991,000 times ×$1,09×15% = $162,028.5
Step-by-step explanation:
3. $8,870×25%=$2217,50
In this question, you have to isolate <em>x</em>.
First, use the distributive property.

Now that you have distributed, subtract the constants.
Answer:
Add the equations in order to solve the first variable. Plug this value into the other equation in order to solve the remaining variables.
The point form is (3,-1)
The equation form is x = 3, y = -1
Hope this helps!
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Measure of angle 8 is 135°