Answer:
5, 6, 9, 15
Also:
Plz mark me brainliest :)
47.60514678
What I did was 28 squared plus b squared equals 38.25 squared and ya......
45/5 simplifies to 9/1 so the answer would just be 9
To find the number you would start by writing out the equation using x as the number. The equation would be x+2x=21. The first step to solve this equation would be to combine like terms, making the equation 3x=21. Finally, you would divide both sides by three, making your answer x=7.
