Which number sentences could be used to solve this problem?

sharon has 32 friends. she would like to give each friend 12 grapes. how many grapes does she need altogether?

choose exactly two answers that are correct.

a.
32 × 12 =

b.
32 + 12 =

c.
(32 × 1) + (32 × 2) =

d.
(32 × 10) + (32 × 2) =

The triangles are similar. what is the value of x? show your work.

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.

Find the distance between the point (-3,-4), and (see the picture below)