Heyo!
l believe the answer is D.
hopefully, this helps you!!!
idqfxemo~
Answer:
answer given in step by step...
Step-by-step explanation:
13x+13(x+1)+13(x+2)=312
13x+13x+13+13x+26=312
39x+39=312
39x=312-39
39x=273
x=7
first number=13x=13*7=91
second number=13(8)=104
third number=13(9)=117
Answer:
-20x-6y-16
Step-by-step explanation:
U.S customary system also known as the English system.
Founded by the British, but they dropped it. Now only three countries in the world still use this system.