Answer:
Alright is the first one and the 3rd one
The volume of a prism is given by:

We know that the height is x. The length is 25 shorter than x, this can be express as:

The width is 14 longer than x, this can be express as:

Plugging the expressions for the length, the width and the height we have that:

Therefore, the volume of the prism is:
You have to cut them into forth sized pieces. Each of 16 friends will get 1/4 of a cupcake.
Answer : 20 - 12y
Step-by-step explanation: