I am pretty sure the answer for the first one is x=-.498
The answer for your question is D
Ok so the awnser is 75 because 45 ÷ 3 is 15 and so 2 more hours so I added 30 to the 45 and I got 75 I think that's right please correct me
All angled are congruent correct answer or at least the way is see wish u luck :)