Population density is the number of people per unit of area. the population density of a certain region is 60 people per square kilometer. if the region covers 23 square kilometers, which is the population of the region?

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Which function is increasing? o a. f(x)=(1/15)* o b. f(x)= (0.5)* o c. f(x)=(1/5)* o d. f(x) = 5*

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.