Answer: Convenience sample
Step-by-step explanation: The person asks the fist people in the store she sees at the technology counter so it is not a random sample.
The answer is C because it reflects
A = -10 b = 12 c = -9
x = [-12 +- sq root (144 - 4*-10*-9)] / -20
x = [-12 +- sq root (144 -360)] / -20
x1 = 3/5 + (14.7 i / -20)
x2 = 3/5 - (14.7 i / -20)
First, 8 times a number can be represented by 8x
Then, seven more than seven times that number can be represented by 7x+7
So if we need the difference between these two terms, it would be:
8x-(7x+7) (distribute the negative)
8x-7x-7 (combine like terms)
x-7
Hope this helps
Answer:
Okay 2
Step-by-step explanation:
Okay since that is that you gotta that 23u172, got it?