HELP!! Olivia has 6 pounds of kimchi if everyone in her family get 1/3 of the kimchi how many family members does she have?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?