11. P=[2(x+y)]3 = 6(x+y) or 6x+6y
12.A=(x+3)(y+3) or xy+ 3x + 3y + 9
Mean is 7+3+2+4+9=25/5 equals 5
The expression is no very clear.
It seems to be - x / 7 + 4 < 3x
If so, this is the solution.
1) 3x + x / 7 > 4
2) 21x + x > 28
3) 22x > 28
4) x > 28/22
5) x > 14/11
Answer: x > 14 / 11
Answer:
multiply lol
Step-by-step explanation:
