Answer:
A
Step-by-step: hpe it heps
33 + 87 + x = 180
120 + x = 180
x = 60
y + x = 180
y + 60 = 180
y = 120
180-115=65 (just writing this because my answer has to be over 20 characters)
to solve this system I first multiplied the second equation by 2 to make the x coefficient equal. then I subtracted equation two from equation one. this eleminated the x. solving for y gave me y=0. then I put 0 back in the original equation and that gave me x=-4.
Answer:H 5 billion
Step-by-step explanation:
i just guessed
