In 1981, about $1.1 million was lost due to fires. in 1988, the loss was about 9.6 million. what percent did it go up or down? and is it a increase or a decrease?

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

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.)