Solve the following equation. [x - 12] + 6 = 56
A. x = 74 or x = -74
B. x= 38 or x = -62
C. x = 50 or x= -50
D. x = 62 or x = -38

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).