The top of a lighthouse stands 270 feet above sea level. A sailor stands on a boat, 20 feet above sea level. If the lighthouse is set back 40 feet from the shore and the boat is 1 mile from the shore, find the angle of elevation from the sailor to the top of the lighthouse.

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.