Riya’s height is 150 cm while her brother is 160 cm tall. If Riya weighs 45 kg and her brother weighs 48 kg, are their heights in

proportion to their weights. pls help me in this​

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours

How does the graph of y = 3x compare to the graph of y = 3-x?

Find an equation of variation where y varies directly as x and y 75 when x5, findy when x is 1