Answer:
126/2 = 63^2
Step-by-step explanation:
Answer:x=5
slope of staircase 1= 3/5
slope of staircase 2= -2/3 (i only put negative because the staircase is going upward in the left direction, but you can be the judge of whether it's positive or negative)
hope this helps :)
the result is called a sum
D
11 - x <_ 18
11 - 7 <_ 18
4 <_ 18 (4 is less than or equal to 18)
