3 pounds of bannas cost $1.5 What is the costant of this proportionly that relates the cost in dollars y, to the number of pounds of bannas X

Which expression is equivalent to 2^4y^3

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?