Step-by-step explanation:
By Exterior Angle Theorem,
81° + b = 117°.
=> b = 117° - 81° = 36°.
Answer:
After 6 weeks Rosa has saved $490.
Step-by-step explanation:
1. You have the function given in the problem above, where
os the number of weeks:

2. Therefore, to solve this problem you only need to substitute 6 weeks (or
) into the given function, as following:

3. The result is $490.
Answer:
y=-3-3x
Step-by-step explanation:
Transpose the equation for y
y=-12/4-12x/4
y=-3-3x
The distance between the center and any point on the circle is the radius. That's likely what your book or teacher is asking for.
Note: double the radius and you get the diameter
The answer is c
The rate of change is 30
Could you please mark brainleist