Compare a and b, if: 12.5% of a is equal to $b and 30% of b is equal to $3b

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

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

Can you me find the slope! (30 points)