Answer:
"D" only 1 & 2
Step-by-step explanation:
We have,

Introduce variable
such that 
The sum
is therefore 
So,
(sadia's age)
(father's age)
Hope this helps :)
Answer:
x < -11 or x ∈ (-∞, -11)
Step-by-step explanation:
4x + 6 < 3x - 5
<=> 4x - 3x < -5 - 6
<=> x < -11
Answer: 50.85
hope it helps and I need brainliest and thanks to get to the next level
A = first integer
a + 1 = 2nd integer
a + a + 1 = 329
2a + 1 = 329
2a = 329 - 1
2a = 328
a = 164
a + 1 = 164 + 1 = 165
so ur 2 consecutive integers are : 164 and 165