Answer:
The correct option is;

Step-by-step explanation:
The given diagram consists of a a starting point, J having a direction passing through the point S and the line has one arrowhead on the right pointing to infinity, which is the symbol for a ray, JS
The denotation of a ray is made by the name of the ray having an overhead arrow as follows;
ray 
Answer: Volume: 56
Step-by-step explanation: Multiply 7 x 4 x 2. To get the volume you need to multiply the three sides of an object.
Answer: y=1
Step-by-step explanation: