Keyboard question: how do i make the 'congruent to' symbol on this keyboard?

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.

Who is the first president to use social media as part of his campaign strategy

Select all that apply. which of the following are proofreading options included in microsoft word? spell check find replace grammar check formatting check