You got a 72%! sorry! It's still a C!
-4/5 is correct, since (-4/5)³ = -4*-4*-4/(5*5*5) = -64/125
Step-by-step explanation:
the solution area :
-2x - 2y > 4
so,
x + y < -2
143 divide by 13 is 11. Which you then multiply 11 by 7 to get the answer of 77.