Rosa is three times as old as her daughter the sum of their ages is 44 years . how old is maria

Pls! does anybody know a shortcut for answering these types of questions in the future?

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

Write the factored form of this trinomial 9x^2+18x-7