I have no idea math is so freaking hard x
Answer:
tally mark also called hash marks and they are a unary numeral system
The answer is 1/2 (; do u need any more help?
There were<span> 471 </span>adult<span> and 851 </span><span>student tickets sold</span>
Answer: 
Step-by-step explanation:
Given
The two communication mask are 2 km apart
Ubi's home is 500 m east of one of the mask
Suppose its distance from the other's is x
From the figure, we can write