When two musical notes are a “fourth” apart, the the frequency of the lower note is 3/4 the frequency of the higher note. Using f as the frequency of the higher note, write an expression for the frequency of the lower note.

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a