The population of bacteria in a petri dish doubles every 24 h. the population of the bacteria is initially 500 organisms. how long will it take for the population of the bacteria to reach 800? round your answer to the nearest tenth of an hour.

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36