A family observes that its water expenses have been very high during the last few months. Which of these is the best method to solve this problem?

turn on the dishwater as soon as it is half full
use water left over from cooking for drinking purpose
turn off tap while brushing teeth or washing face
wash clothes in small batches in the washing machine

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3