On this 3 math questions (algebra 1)

Which food would provide you with the most calcium?

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?

Compare the advantages and disadvantages of using cash instead of a credit card to obtain good services