Here is the answer if you can't read my writing than just ask. also if you have any questions about how I got something feel free to ask
Answer:
y-intercept is 30
Step-by-step explanation:
Given the model
comparing this model to the equation of a straight lines we can get the y- intercept

The y- intercept is 30 which is the constant factor and it describes to us about the one-time registration fee of $30.
The actual measure of angel A is actually 190
Answer:
40
Step-by-step explanation:
to convert into radian measure, multiply by π/180
40 x π/10
Answer:
<h2>Center: (3, 0)</h2><h2>Radius: 2√2</h2>
Step-by-step explanation:
The equation of a circle in standard form:

(h, k) - center
r - radius
We have the equation:

Therefore
the center: 
the radius: 