7. Two variables are proportionally related with a constant of proportionality k. Which of the
following points must lie on the graph of this relationship?
(1) (k, 0)
(3) (0, k)
(2) (k,1)
(4) (1, k)

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

Evaluate cos2θ for cosθ = square root of 3/2

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)