Answer:
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Step-by-step explanation:
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15u = 135
Divide both sides by 15
u = 135/15 = 9
U is equal to 9
Hope this helps!
2
= 2.54545454.....
The repeating digits are 54 ← group of 2
4
3x2 is 6
2-4 is -2
6-2 is 4
20
1/2(a+b)=180
1/2(6+12)=18
1/2(18)=180
9/9=180/9
=20