Mr. Brown recorded the final exam scores for his fifth period math class in the histogram below.

Which of the following would be the best measure of center?
A. interquartile range
B. mode
C. median
D. mean

What is the measure of ac? 5 units 13 units 26 units 39 units

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil