A small pipe takes twice as long to fill a vat as a larger pipe. If it takes 6 hours to fill the vat using both pipes, how many hours would it take to fill the vat using just the small pipe?

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

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

The quadratic function h(t)=-16.1t^2+150 choose the graph representation