Answer:
its 400 cuz 0.1 is tenth
Step-by-step explanation:
I would think that it would be A.... I am an expert but, only in 8th, so I would double check.
Answer:
the answer is 1060
Step-by-step explanation:
1064 rounded by tens is 1064
Answer:
a=0
Step-by-step explanation:
x²-2x+y²-4y-4=0
(x²-2x+1)+(y²-4y+4)-9=0
(x-1)² + (y-2)² = 3²
Center: (1,2) radius: 3
(1,2) on line 2x-y+a=0
2*1 - 2 + a = 0
a = 0
