Find the slope of a line parallel to each given line

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12