List the number in order

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2

Asap! i need this done today and i really don’t understand it. some one ! will mark

Edith is shopping for a new leather couch. jordan’s furniture has one that costs $3,000. however, this weekend she can get a 15% discount. how much money will edith save if she buys the couch this weekend? a $15b $2,550c $45,000d $450