The birdwatching club has 30 members, 21 girls and 9 boys. what is te ratio of girls to boys in the birdwatching club?

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

What is the gcf of 20c^3-5c^4+30c^6

The label on a can of lemonade gives the volume as 12 fl 0z or 355ml verify that these two measurements are nearly equivalent