We can see that the difference is 8 so we can write:

Answer:
D) R’(2,3); S’(7,3); T’(5,8); U’(0,8)
Step-by-step explanation:
The last one. If you reflect it over the x-axis, it moves from quadrant IV to quadrant I. Everything in quadrant I is positive, and the last one is the only one that has all x and y values positive.
This is an math/way answer, and I don't have an explanation to the problem, but I hope this is good enough.
The answer for this question is A
Answer:
A is right
B is acute
C is obtuse
D is right
Step-by-step explanation:
90 is right
anything under 90 is acute
over 90 obtuse