Haley is making cake for her party. she needs to make 6 servings of cake for every 3 people. if each cake pan contains 12 servings , what is the minimum number of cakes she needs to make in order to have enough to feed 21 people?

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.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Factor the trinomial below. 12x^2 - 32x - 12 a. 4(3x+3)(x-1) b. 4(3x+1)(x-3) c. 4(3x+6)(x-2) d. 4(3x+2)(x-6)