Is the function below a rational function? if it is, write it in reduced form as a ratio of polynomials p(x)/q(x). if it is not, enter none in both blanks. do not leave any blanks empty. x^2/4 + 6/x = none/none

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

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels