A 12,000-gallon swimming pool needs to be emptied. Exactly 2,000
gallons have already been pumped
out of the pool and into the tanker.
How can you determine how long it
will take to pump all of the water
into the tanker?

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

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?