Working alone, ryan can dig a 10 ft. by 10 ft. hole in five hours. castel can dig the same hole in six hours. how long would it take them if they worked together?

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?