Answer:
3
Step-by-step explanation:
In order to have a perfect square you have to have at least two prime factors, and since three is quite clearly not in a pair, the answer is three.
Answer:
kk thx
Step-by-step explanation:
the anwser would be -2 because -2*3*3-2*8 equals -2
For the angles you could automatically make the 90 degree 90 then your equation is 180-90-23=x and x is the answer