Answer:
√180 or 5√6
Step-by-step explanation:
Plug in: a^+b^2=c^2
a^2+12^2=18^2
a^2+144=324
subtract 144 from both sides
a=√180
a= 5√6
Answer:
8
Step-by-step explanation:
Of those 9 even integers, 8 can be written as the sum of two prime numbers.
4 = 2+2; 6 = 3+3; 8 = 3+5; 10 = 5+5; 12 = 5+7; 14 = 7+7; 16 = 5+11; 18 = 7+11