Joanne takes one hour more than rikki to rake the leaves from their yard in the fall. if the two work together, they can rake the leaves in 2 hours. how long does it take joanne, working alone, to rake the leaves? round to the nearest tenth of an hour.

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

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

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?