Solve the problem.Anne and Carol can paint a room in 15 hours working together. Anne takes 4 hours longer to paint the room working alone than it takes Carol working alone. How long does it take Carol to paint the room by herself?
A. 28 hr
B. 13 + 
hr
C. 17 + 
hr
D. 32 hr
Answer: B
You might also like to view...
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.3 - 15 + 75 - 375 + ... + (-1)n-1 3 ? 5n-1 + ...
A. 
; series diverges
B. 
; 
C. 
; 
D. 
; series diverges
Solve the problem.The table shows the number of deaths due to car accidents in a certain city in various years. 
Let n = f(t) be the number of deaths due to car accidents at t years since 2012. Use a quadratic model to predict the number of deaths due to car accidents in the year 2019. (First find a quadratic equation for f in vertex form by using the data for the years 2015 and 2017).
A. 88 B. 66 C. 237 D. 134
Provide an appropriate response.Give four examples of using percent of increase or percent of decrease in your own activities.
What will be an ideal response?
Solve the problem.Decide which of the rational functions might have the given graph. 
A. f(x) = x2
B. f(x) = 
C. f(x) = 
D. f(x) = 