Un terreno rectangular tiene como perímetro 18 y cuatro veces su largo es equivalente a cinco veces su ancho. Determina las dimensiones del terreno. (Sea la variable a= ancho y b= largo)

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample

A33.33 percent decrease followed by a 50% increase. greater or larger that original amount?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).