A radio system that shows moving objects is called: A. radar
B. sonar
C. broadcaster
D. communications

broadcaster

Explanation:

I do not now this sow hop it helps

I think the answer would be B. I don't know if its right sorry if i'm wrong. Hope this help's you!

A) x>8

B) x<4

Step-by-step explanation:

A) 3x+5>29

3x>24

x>8 (It's greater than because the angle opposite is greater than the other angle)

B) 6x-17<7

6x<24

x<4 (It's less than because the angle opposite is smaller than the other angle)