Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The length of the treads is 
The length of the risers is 
Generally the slope of the staircase is

=> 
=> 
Where are the answer choices lol
Answer:
n = 55/8
Step-by-step explanation:

Answer:
P = 7
Step-by-step explanation:
46+8=54
54-5=49
49÷7=P
50 tens and 9 ones is less than 49 tens and 35 ones because 50 tens is 500 + 9 is 509, whereas 49 tens is 490 + 35.