Sophia baby-say 3 7/12 hours on friday. she baby-sat 2 5/6 hours on saturday. which is the best estimate of how many hours sophia baby-sat altogether?

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Asphere has a diameter of 10 in. what is the volume of the sphere?