To start let's add 23 and 21
23+21=44
then since it's asking for 1/3 we'll divide 44 by 3 which is 14 1/3
so 1/3 the sum of 23 and 21 is 14 and 1/3
I hope I've helped!
B) DAB , because 43+47=90 degrees
Answer:
Length of AB = Length of C′D′
Length of CD = Length of B′C′
Step-by-step explanation:
Not sure but I think
Answer:
J all rational numbers are real numbers
Step-by-step explanation: