PLEASE HELP. what is the slope of the line that passes through the points (3, 2) and (-1, -4)?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y