The median of a data set is
a. the most commonly occurring data point in a data set
b. the arithmetic average of the data points in a data set
c. the middle point of a data set arranged in increasing order
d. the difference between the greatest and least data points in the data set

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

The anwser cause i do not understand just plez

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x