I believe that through deductive reasoning angle O is 64 degrees. The reason is it's bigger than angle R so that rules out 32 and 16 degrees, but it's not obtuse, so that rules out 128 degrees, thereby leaving you with 64. Hope this helps :)
Answer:
i dont know
Step-by-step explanation:
srry wish i could help you
Answer:
Step-by-step explanation

⇒ 80 + ( 2 * 0.01 ) + ( 9 * 0.001 )
⇒ 80 + 0.02 + 0.009
= 80.029
Answer:
140 mile
Step-by-step explanation:

While x is the speed of the second train.