The Al Baloushi family and the Al Hosani family each used their sprinklers last summer. The Al Baloushi family's sprinkler was used for 35 hours. The Al Hosani family's sprinkler was used for 40 hours. There was a combined total output of 1700L of water. What was the water output rate for each sprinkler if the sum of the two rates was 45L per hour?

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

What is the reflection image of (5,-3) across the line y = -x?