You drank 50 L of water on Tuesday but only 30 L of water on Wednesday. What is the percent of change

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Is the power produced directly proportional to the wind speed, give reasons for your answer?