Solve the equation by completing the square if necessary round to the nearest hundredth x^2-18x=19
a. 1; 19
b. -1; 19
c. 3; 6
d. -3; 1
me if you can, you so

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36