I need help , but I think it’s D because When I did the problem I got -39 and a factor of negative 39 is -1 so can someone conform for me?

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.