Line a: 4x + 4y = 16
line b: x + y = 4

which statement is true about the solution to the set of equations?

it is (1, 2).
there are infinitely many solutions.
it is (1, 5).
there is no solution.

Step-by-step explanation:

Line A: 4x + 4y = 16      divide both sides by 4

              x + y = 4 ← It's an equation of line B.

Therefore the conclusion is:

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.