(3b2 + 4b) + (b2+ 7b)=?

A.4b^2 + 11b
B.4b + 11b^2
C.4b^2 + 10b
D.3b^2 + 11b

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee. how many customers ordered a large coffee? enter your answer in the box.