Which line best explains how the value of the exponent 7 4/5 can be defined as asap

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?