The answer of the given questions
a) 39 and b) 63
Step-by-step explanation:
Here are the solutions of given questions
a) 
=64-25
=39
b) 
= 36+27
= 63
80%, 1000-200 = 800/1000 or 80%
Answer:
Since A={a,b}, then
. Remember that the Cartesian Product of two sets A, B is defined by
. Then

Answer:
4
Step-by-step explanation: