Witch box plot best displays a summary of these data ? Help asap

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer