Through: (2,5), perp. to y = -1/4x - 3

Please pls

Which best explains why this triangle is or is not a right triangle?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

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.