Use completion of sq method
x^2+y^2+14x+10y-7=0
(x+7)^2+(y+5)^2=7+49+25
(x+7)^2+(y+5)^2=81
so centre is(-7,-5) radius is9
Answer:
The prime factorization of the number 24 is 2 × 2 × 2 × 3.
Answer:

Step-by-step explanation:
To find the
we must use the cosine theorem.
The cosine theorem says that:

In this case:



So




Answer:
101
Step-by-step explanation:
To figure this out, you would do 167 - 66 = 101
101 + 66 = 167
Answer:

Step-by-step explanation:
The common ratio is 
24, 12, 6, 3,
,
,
, 
so divide each term by 2
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