Determine whether these lines are parallel, perpendicular, or neither 5x + 2y = 14 and y = -5x + 9

What is the lcm of 16 and 40 ? 24 and 40 ?

Combine the information in the problem and the chart using the average balance method to solve the problem.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)