What is the measure of one angle in a regular 16-gon

Round 0.866 to the nearest hundredth

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Find the value of x. round the length to the nearest tenth