Answer: (x-9)(x+1), so x=9 and x=-1
Step-by-step explanation:
X^2-8x-9=0
-9 times 1 = -9 and -9 plus 1 = -8
So (x-9)(x+1)
X=9, x=-1
Answer:
7:30
Step-by-step explanation:
Half past 5 would be 5:30.
An hour is 60 minutes, half of 60 is 30
In order to find the time two hours later we must add 2 to 5:30
5:30+2=7:30
Answer:
29*
Step-by-step explanation:
if th temperature was -3* and then climbed 18* it would end up being *15 because it was going up
but the it went down to -14* ,, which means that you have to get form 15* to -14*
you first go down 15* to get to 0 and go down *14 to get to -14*
when you add 15 and 14 it gets you to 29*
Answer:
No.
Step-by-step explanation:
Of course not. Place a hardback book standing up on your desktop and open the two hard covers to some arbitrary angle. The planes of the covers are each perpendicular to the desk top, but not parallel to each other (or necessarily perpendicular to each other).
hope it helps
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Answer:
Step-by-step explanation:
GCF mean greatest common factor the both or divisible by h2 and h4 and the greatest of common factor is h4 .