Answer:
8.99999999998
Step-by-step explanation:
45:115::_:23
The ratio between 45 and 115 is 2.55555555556 so 23 divied by that is 8.99999999998
b. 1134
1015
0119
1134
I hope this helps!
(x+2y)²=x²+4xy+4y²
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