Alright, lets get started.
The answer Sandra got is correct that is zero but there are some mistakes she made while writing steps.
Incorrect step
Because as per even/odd identity,
Cot (-Θ) = - cot (Θ)
Hence

Now,
It could be written as


0
Hence the answer is 0. : Answer
Hope it will help :)
Answer:
onc
Step-by-step explanation:
Can you restate it or rewrite it? It doesn't have enough for me to answer this.
V is 4 more tha x
v=4+x
sum is no more than 14
v+x≤14
sub 4+x for v
4+x+x≤14
4+2x≤14
minus 4 both sides
2x≤10
divide both sides by 2
x≤5
5+4=9
the neighboor's age is at most, 5 years
and victoria is 9 at most