Find the missing term (x^12)^5*(x^-2)=(x^40)^5

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

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?  

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c