Uma caixa d'água em forma de paralelepípedo tem 2cm de comprimento 1m de largura e 1m de altura. Qual o volume desta caixa

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

The system of equations graphed below has how many solutions?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row