A small train at an amusement park is carrying passengers. Half of the passengers are 4 years old, 110 are 5 years old, 310 are 6 years old, and 110 are 7 years old. What is the expected age for one of the passengers on the train?

5 years
6.1 years
5.5 years
6 years

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?

Pranav and molly are selling pies for a school fundraiser. customers can buy blueberry pies and pumpkin pies. pranav sold 6 blueberry pies and 4 pumpkin pies for a total of $106. molly sold 6 blueberry pies and 3 pumpkin pies for a total of $90. find the cost of each of one blueberry pie and one pumpkin pie