Hannah can paint a room in 12 hours. destiny can paint the same room in 9 hours. how long does it take for both hannah and destiny to paint the room it they are working together.

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil