Find the missing side or angle. Round to the nearest tenth.
b=3
a=9
c=11
C=[ ? ]°

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Why do interests rates on loans to be lower in a weak economy than in a strong one

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u