What is 3 to the 6th power to the negative 2

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

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?