A mini game cube is covered in different colors and has a side length of 1.8 inches Which of the Following Would represent the amount of space covered in Various Colors

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Can someone check if i did this correct. it’s number 4 if you’re wondering.