Evaluate: a to the power b - a to the power -b + a squared -b to the power negative a if a = 2, b = 3

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.