Here's the given:
P=$400
i=7.5%
A=$8500
The formula used for this problem is:
A = P(1+i)^t
Manipulating the equation to arrive at t, we have:
t = ln(A/P) / ln(1+i)
Plugging in values:
t = ln($8500/$400) / ln(1+0.075)
t = 42.26 years
Option C: (x-4)^2+(y-1)^2 = 4 is the right answer
Step-by-step explanation:
Given
Center = (h,k) = (4,1)
Radius = r = 2
The equation of circle in standard form is:

Putting the values of h, k and r

Hence,
Option C: (x-4)^2+(y-1)^2 = 4 is the right answer
Keywords: Equation of circle
Learn more about circle at:
#LearnwithBrainly
Answer:
17) 135 degrees
Step-by-step explanation:
An octagon contains six triangle, or 1080 degrees, meaning each angle is 135 degrees.