a body undergoes shm of amplitude 3cm and frequency 20hz. what is the velocity of the body at the maximum acceleration of tge object? ​

What numbers are included in the set of integers? what numbers are not included?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.