Answer: "11 and 12" .
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11² = 121 ;
12² = 144;
140 falls between 121 and 144 .
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20 + 8x = 32
- 20
8x = 12
-- --
8 8
x = 3/2= 1 1/2
Answer:
14x=70
Step-by-step explanation:
#13 would be 100%.
#15 would be $9.90.
#17 would be 408.
#19 would be 27840.
#21 would be 26.
Sorry for the late reply.
