One is a, and the other is just A.
Please give brainliest. Thanks!
Answer:
-12
Step-by-step explanation:
-8-4=-12
because -×-=+
and -+-=-
why because when you add the highest number gives you the sign
Answer:
x=1
y=3
z=-2
Step-by-step explanation:
Use substitution to solve two systems and then the third.
Answer:
Length: 7 units
Width: 1 unit
Step-by-step explanation:
Answer:
69×7=60×7+9×7 and if 10×7=70 then 6×70=420 and 9×7=70-7=63
