Ineed on coming up with a short 3 line poem

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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

X+y=-4 x-y=2 use elimination with adding and subtraction