Answer:
{12, 16, 20}
Step-by-step explanation:
12×12+16×16=20×20
pythagorean theorem
Answer:
c or 2/5
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
f^-1(x) is a reflection on f(x)
So when f(4) = 0 so is f^-1(4) according to this function.
Answer:
A' = { 2,4,6,8,10,12,14,16,17,18,19}
A' U B = {2,4,6,8,10,12,14,16,17,18,19,7,11,13}
Step-by-step explanation:
A = {1,3,5,7,9,11,13,15}
B = {7,11,13,17,19}
I think is 22
sorry if i'm wrong