Answer:
Square of 18 is 324
Step-by-step explanation:

hope you have understood this...
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Answer:
7 inch
Step-by-step explanation:
AC= BC+AB
= (BD-CD) + radius of B
= (radius of B-radius of D) + 4.5
=(4.5-2) +4.5
=2.5+ 4.5
=7 inch
I hope this is correct.
Answer:
10, 5
Step-by-step explanation:
20-0 is 20
20-1 is 19
19-2 is 17
17-3 is 14
14-4 is 10
10-5 is 5
Answer:
25
Step-by-step explanation:
(-5)^2
(-5)*(-5)
25
<h3>
Answer:</h3>
D. an = 14 - 1.5n
<h3>
Step-by-step explanation:</h3>
Selection D is the only one that works to give a1 = 12.5.