Answer:
a) A U B = {21,23,24,25,27,29,30,31 }
b) A n C = {24,30}
Step-by-step explanation:
A {21,24,27,30}
B {21,23,25,27,29,31}
C {20,22,24,26,28,30,32}
I have placed it correct answers in the image above
7220*1.45^x where 1.45 is the rate of growth.
SSS
what math is this?