
Since the middle terms cancel each other out, what is left is the difference of two squares.
In your example (x+6)(x-6) = x² -36
Answer: s is the population standard deviation. it is the square of the variance.
Step-by-step explanation:
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Answer:
15) 37 16) -5x+13=-112, x=25 23) l=38, w=19
Step-by-step explanation:
15) l=5w+2, 2l+2w=88
2(5w+2)+2w=88
12w+4=88
w=7, l=37
16a) -5x+13=-112
16b) x=25
23) l=2w, 2l+2w=114
2l+l=114
l=38, w=19
Answer:
down below:)
Step-by-step explanation:
200 times 80 times 60 is:
200 times 80 is 16000
16000 times 60 is 960000