when two musical notes are a "fourth" apart, the frequency of the lower note is 3/4 the frequencyof the higher note. using f as the frequency of the higher note, write an expression for the frequency of the lower note.

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense