Jessie wrote a computer program to create colored shapes. the shapes are either squares or circular and both are equally likely. the colors are either blue, red, or green, and each is equally likely.
what is the probability the computer program will create a green circle?
a)10%
b)16 2/3%
c)20%
d)33 1/3%

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

17 in long 1.3 ft wide and 8in high what is the volume

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.