Easy
the radius is the distance from the center to a point on the circle
we are given
center=(7,1)
a point=(8,7)
find the distance
distance formula
D=

so the distance between point and center is radius
D=

D=

D=

D=√37 units
radius is √37 units
The measure of the intercepted arc is twice the measure of the tangent-chord angle:
2×74° = 148°
The measure of the intercepted arc is 148°.
The seamstress would have to sew 15 pockets for $60. Just divide 60.00 by 4.
I’m not 100% bc/ I learned this last semester, but I think it’s B. So sorry if I’m wrong. I think this bc/ 0.04 is the interest rate as a percent, 4 is the time, 200 is the amount of money, and the one shows that it is exponential growth.