Double checking: On the first try I got 113, That turned out to the the wrong answer. I understand how 23 and 67 can be a answer but 77 I can’t seem to do the math for it, so if someone can help me get the right answer, please and thanks.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Which of the following best describes the figure?

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1