You have decided to give your best friend a bag of red and green marbles for his birthday. Your friend likes green marbles better than red ones, so the bag has twice as many green marbles as red. The label on the bag says it contains a total of 84 marbles. How many green marbles are in the bag? Write a
system of equations for this problem. Then solve the problem using any method you like. Be sure to check your solution.

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

The slope of a velocity time graph over any interval of time gives the during that interval

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato