Which expression represents the area of the shaded triangle? A triangle has a base of 1.9 meters and a height of 5.7 meters. One-half times 6.2 times 1.9 One-half times 5.7 times 1.9 One-half times 6.2 times 4.3 One-half times 5.7 times 4.3

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