Recebo 30 reais de mesada mensal e gasto apenas 3 quintos dessa quantia. Deposito o restante na poupanca para comprar um aparelho de som. Quanto deposito por més?

Acamper leaves camp on a kayak and travels 50 miles east on a river, then he ties his kayak to the bank and travels 20 miles north on a bicycle. this trip can be plotted on the coordinate plane, where the camp is the point (0, 0). the distant of the camper to the camp can be found using the distance formula. which other formula can he use? a) 502 - 202 b) 502 + 202 c) 502 - 202 d) 502 + 202

What properties allow transformation to be used as a problem solving tool

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?