The population of a city has decreased by 400 residents over the past 5 years. The same number of residents left each year. what was the change in the city's population each year? please I need help!

Write the fraction or mixed number and the decimal shown by the model

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: