Lisa has a certain amount of money. she spent 39 dollars and has 3/4th of the original amount left. how much money did she have originally

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

A50% increase followed by 33 1/2% decrease

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible