If bricks or stones are used to build the framework of a house, which other material must also be used?

If your not fit to drive you have a responsibility to

Compared with the cost of tuition, fees, and books for a traditional college course, the cost of a clep exam is:

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?