What is d n e? given sets in photo

OPTION B: {5, 7, 9}

Step-by-step explanation:

D E is the collection of elements that are present in both D and E.

Given the set D = {5, 6, 7, 8, 9, 10}

and                 E = {1, 3, 5, 7, 9, 11}

So, the elements present in both D and E are: {5, 7, 9}.

Hence, D E = {5, 7, 9}.

OPTION B is the answer.

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3