Abiology class examined some flowers in a local meadow. they saw 64 flowers, of which 75% were perennials. how many perennial flowers did the students see?

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

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)