URGENT #2

The value of a12 is:
2
0
1
can't be done

Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Ineed with math stuff it involves graphs