If you flip a coin and roll a 6
-sided die, what is the probability that you will flip a heads and roll an even number?

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.

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Find the dimensions of the circle. area = 64π in.² r= in.