Write and solve an inequality that represents the values of x for which the area of the rectangle will be at most 45 square meters. PLEASE SHOW WORK

How do i multiply two digit numbers

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.

Find the slope and y-intercept of each line y=4x+1