Simplify the expression.
we
8 + 3

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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 someone answer this question? : )