Answer:
I think the answer is (x+2)(y-2)
Answer:
18 miles
Step-by-step explanation:
Let's call it's initial elevation x. Because it descends 3 miles, we now have x - 3. The question says it is now 15 miles above sea level, or x - 3 = 15, and adding 3 to both sides shows that x = 18 miles.
Answer:
47+47+90+90= 274, 360-274= 86, 86÷2=43=x