Rachael’s backyard swimming pool is being emptied by a pump. the amount of water in the pool w in gallons at any time t in hours is given by the following equation: w = 9,000 – 250t. how many gallons of water are being pumped out each hour?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079