Answer:
x + 10
Step-by-step explanation:

She has to go down 4, back up to 0, and then up another 4, then back to 0.I<span>f positive 1 represents the first level above ground, negative numbers are a good choice to represent levels below ground. 8 flights; starting at -4 and moving to 4.</span>
A B D I’m pretty sure. Median is 3 or more and range just doesn’t make sense for 2 numbers
You draw a vertical line on the point (3,0) and a vertical like looks like———>>> | , then whatever shape or point it gives you, you reflect off of that line like if it was a mirror
Sure he is correct: proof: NOTE TAT 10HRS CORRESPOND TO 100%
1st week he worked 10 hrs, the 10% of 10 is 1 hr. Hence if he worked 11 hrs this week that means 10HRS (100%) + 1HR (10%) =110%