If A= 2x - 7x^2 + 3 and B= 4x^2 - 12x, what is A + B?

A) 6x^2 - 7x - 9

B) 3x^2 - 10x + 3

C) -3x^2 - 10x + 3

D) -3x^2 + 10x + 3

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

Can any one me with the answers to these questions asap?