Answer:
a
Step-by-step explanation:
add equations in order to slove for the first variable. plug this value into other equations in order to solve for the remaining variables
The domain of a graph is all of the x-values of the graph. Since the graph looks like it continues and never ends, every single x value is included in the domain, thereby making all reals the correct answer
25.6 square inches
20 divided by 5 is 4
32 divied by 5 is 6.4
Multiply them and get 25.6