Answer:
The ratio between Roberto and David is 3:11
Step-by-step explanation:
If Roberto were to have 18 cards when we start, then David would have 24. Roberto has 3/4 the amount that David has. Then Roberto gives half of his cards (9) to David. Roberto now has 9 cards and David has 33.
4(m + 2) expanded is 4 x m and 4 x 2
simplified: 4m + 8
Answer:
i cant help you because i cant see the things on the picture if u get a better picture i can help
Step-by-step explanation:
51/3+-39/18
= 89/6
Answer is 14.833333
<span>x + 9 = 2(x - 1)^2
x + 9 = 2(x^2 - 2x + 1)
x + 9 = 2x^2 - 4x + 2
</span>2x^2 - 4x + 2 - x - 9 = 0
2x^2 - 5x -7 =0
