your friend says the greater common factor of 15 and 30 is 5 is your friend cprrect explain ur reasoning

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.