Which of the following is an example of competition? a.)
A red fox and a bull snake both try to eat a mouse.

b.)
A red-bill oxpecker eats flies off the back of a zebra.

c.)
A tapeworm lives in the human digestive tract.

d.)
A Siberian tiger hunts for salmon in the river.

Lois and clark own a company that sells wagons. the amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w12, h, plus, 30, w where hhh is the number of hours worked and the number of wagons sold. what is the amount paid to an employee who works 666 hours and sells 333 wagons?