Please help? I need the answer to this. It’s on edgenuity! Thanks! :)

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab