Before leaving to visit mexico, levant trades 270 american dollars and received 3,000 mexican pesos. when he returned from mexico, he had 100 pesos left. how much will he receive when he exchanges these pesos for american dollars?

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.

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Is a positive integer raised to a negative power always positive