There are 89 houses in a neighborhood with 11 of your friends owning a house in that neighborhood. What is the probability that you randomly select 2 houses both belonging to your friends? Round to the nearest thousandths.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b