Evaluate the expression
(-1-4^2•3)2^2

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil