Free LCM Calculator determines the least common multiple (LCM) between 9 and 21 the smallest integer that is 63 that is divisible by both numbers. Least Common Multiple (LCM) of 9 and 21 is 63.
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Prime Factorization of 21.
3 21
7 7
1
Answer:
identity
Step-by-step explanation:
4a-9b=22
substitute b=-2
4a -9(-2) = 22
4a +18 =22
subtract 18 from each side
4a = 4
divide by 4
a =1
Choice C
Do 10 to the sixth power first then multiply that by 7 you use PEMDAS
A.)44
The total number will equal 180. All right angles are 90. 180-90-46 equal 44