28=8k+12-7k I HAVE 1 minute to answer this and show work QUICK PLEASE

The graph shows the distance kerri drives on a trip. what is kerri's speed?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.