Chris sells books for a commission of $2.60 per book and $50 a month. his salary is determined by the function m=2.60 b+50, where (m) is the amount of money he earns and (b) is the number of books he sells. if chris sells 25 books how much money did he earn? *

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .