31.
There's a pattern, +1, +2,+3,+4 ect.
The most common expressions involving 16 and w are:
16+w
16-w
16xw and
16/w
Hope this helps and answers your question
Answer:
Only the firsts and fourth choices (
and
)
Step-by-step explanation:
Turn the equation into words:
"A number plus 9"

"Multiplied by
"

"Is equals to -18"

Distribute to find the second equation:

Answer:
25
Step-by-step explanation:
The daughter is ten which means the wife is 30 (10*3) and the man is 5 years older than the wife (30+5). The man is 35 and the daughter is ten, so subtract ten years from the man (35-10) which means the man is 25 years old