In 2013, the estimated world population was 7.1 billion. Use a doubling time of 43 years to predict the population in 2024, 2067, and 2121. What will the population be in 2024?
The population will be billion.
(Round to one decimal place as needed.)
HELP PLEASE

What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18

Which statements are true? see picture

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d