What is the quotient of 1.892×10^8 and 4.3×10^3 expressed in scientific notation? Please tell me the answer!

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)