Represent the set described below using the roster method.
States that begin with the letter C

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?