Answer:
12
Step-by-step explanation:
2+5=7
7+5=12
Pattern of +5
Answer:
bye
Step-by-step explanation:
bye
First find the numbers that are divisible by 3.
3, 6, 9, 12, 15, 18, 21, 24
There are 8 numbers divisible by 3 so there are 16 that are not divisible by 3.
P(not div by 3) = 16/24 = 2/3
So a²+b²=c²
8²+15²=c²
64+225=c²
289=c²
±17=c
So c=17 or c=-17
4x^2+4x-8=0
X^2+x-2=0
(X+2)(x-1)=0
X= -2 or 1