Help me I need help pleas

What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12

What is the reflection image of (5,-3) across the line y = -x?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30