Janet Woo decided to retire to Florida in 7 years. What amount should Janet invest today so she can withdraw $53,500 at the end of each year for 20 years after she retires? Assume Janet can invest money at 7% compounded annually. (Do not round intermediate calculations. Round your answer to the nearest cent.)

Me with this one question, and i'll upvote the brainliest answer

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

How do you write y-10=2 (x-8) in standard form