2x + 3y = 5x -y if y = 0

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)