Three friends got jobs at stores in the mall. nina earns $117.60$117.60 for 1414 hours of work. ty earns $148.50$148.50 for 1818 hours of work. kim earns $137.60$137.60 for 1616 hours of work. who has the highest pay rate in dollars per hour?

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

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

What is the difference between the equations of a vertical and a horizontal line?