Answer:
4
Step-by-step explanation:
in base 4
21 = (2 * 4) + (1 * 1) = 9
Answer:

Step-by-step explanation:
From the question we are told that:
Length of pool 
width of pool 
Width of brick-walk way
Generally the equation for Area of the pool
is mathematically given by

Generally the equation for Area of the pool with its walkway
is mathematically given by

Where

Therefore

Generally the equation for pool's walkway
is mathematically given by


Answer:
a worker with 15 years of service gets 5 weeks of vacation each year, D
Answer:
jason jumped 189 feet more than Yolanda
Step-by-step explanation:
subtract Jason's jump and Yolanda's jump
Answer:
C-0.1
Step-by-step explanation:
0.1 is between -3.8 and 0.
Hope can help you.