Answer:A
Step-by-step explanation:positive is bigger then negative.
40x^2 - 20x
(10x-5)(2*2+4x-4)
(10x-5)(4-4+4x)
(10x-5)(4x)
40x^2 - 20x
B 6.44 because 6.4 is equal to 6.40 and in between 6.40 and 6.60 there is 6.44.
Well there are 8 years that show over 90°. Using those statistics you can show that as 8/15 for a probability.
