One crew can seal a parking lot in 9 hours and another in 12 hours. how long will it take to seal the parking lot if the two crews work together?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?