Answer is provided in the image attached.
2(x + y) or 2y+x or 2x(x + y)
<em>Choice-A</em> is the answer to this math problem.
Answer:
The equation shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A, in astronomical units, AU. If planet Y is twice the mean distance from the sun as planet X, by what factor is the orbital period increased?
Step-by-step explanation: