What is the answer to log↓2(x)-3=1

How can we find the measure of an exterior angle if we know the measurement of an interior angle

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π