[brainliest answer] a ball's position, in meters, as it travels every second is represented by the position function s(t)=4.9t^2+450. what is the velocity of the ball after 5 seconds? include units in your answer.

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle