Find the equation of a line with a slope of -1 that passes though the point (2,1) *

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

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.