Find the perimeter of the given figure.
16
16
Plz HURRY

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?