A retail store is having a back-to-school sale on chromebooks. At 10:00 AM, the store has sold 8 chromebooks. At 7:00 PM, the store discovers that it has sold 32 chromebooks. What is the average rate of change between 10:00 AM and 7:00 PM? Round your answer to the nearest whole number. The average rate of change is chromebooks per hour.

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x