An amount of $22,000 is borrowed for 5 years at 7.75% interest, compounded annually. If the loan in paid in full at the end of that period, how much must be paid back?

Find an equation of the line perpendicular to the graph.

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

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