After repairing several water leaks in their house, the foster family noticed a 10% decrease in their monthly water bill. what decimal number represents the percent decreased in the foster family's water bill?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

It says factor each expression completely 8y+48

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?