Data sources for the bi stack may as many as apply) mark all that apply transactional (or "operational") databases we operate sensor data from a smart watch or smart phone web scraping our own employees' organizational emails and text messages competitor's databases third-party databases available for purchase or subscription.

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.

Two technicians are discussing the common u-joint. technician a says its input and output speeds should be equal. technician b says that it normally has two yokes. which technician is correct?

Which of the following “invisible” marks represents an inserted tab?