Circle O has a circumference of approximately 44 in. What is the approximate length of the diameter, d?
A) 7 in.
B) 14 in.
C) 22 in.
D) 44 in.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years