Which of the answer choices could be the one missing data item for the following set, if the mode is 12? 7, 12, 9, 15, 12, 7, 9, 7, 12, 15

HELP I WILL GIVE BRAINLIEST
A. 15

B. 9

C. 7

D. 12

D

Step-by-step explanation:

first of all, what is mode: it is the highest occuring number in a set of numbers.

now since 12 is supposed to be the mean and it occurs twice but 9 also occurs twice so for 12 to be the mode, we must add one more 12.

therefore the answer is 12

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

answear:

a

step-by-step explanation: a