True or false: the "four reasons to care" video suggests that one of the main reasons to care about our digital identity is that our "digital footsteps" are being tracked by a wide variety of different organizations. fortunately, the video also notes that if you know the right steps to take, it is fairly easy to clean up and opt out of this tracking.

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Robots with telescoping arms are sometimes used to perform tasks (e.g., welding or placing screws) where access may be difficult for other robotic types. during a test run, a robot arm is programmed to extend according to the relationship r = 3 + 0.5cos(4θ) and the arm rotates according to the relationship θ=−π4t2+πt , where r is in feet, θ is in radians, and t is in seconds. use a computer program to plot the path of tip a in x and y coordinates for 0 ≤ t ≤ 4s.

Sports and entertainment class, your goal is to increase attendance and make a profit for a game by getting your team on a winning track with total salaries less than $3,000,000