Plz explain how to convert 4 inch into cem (1 inch = 2.54 cm) plzzz fast

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

What are the excluded values? m+5/mn+3m

12.0 million metric tons of beef produced annually in the u.s. out if 65.1 mikkion metric tons of produced annually worldwide