At 5 pm, the Total snowfall is 3 centimeters. at 11 pm it is 14 centimeters. what is the mean of the hourly snowfall. write your answer in simplest form as a fraction or mixed number.

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)