Answer:
the ans is 16 square cm ok
Answer:
ok ill help it 00000000
Step-by-step explanation:
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The value of the 8 in 584 is related to the 4 because 80 is 20 times 4.
I hope this helps! :D (I believe my explanation is wrong. If it is, sorry.)
Answer:
38.9
Step-by-step explanation:
Lets say, first number = x
Second number = 3x+7
Total = 49
(x)+(3x+7)= 49
4x+7 = 49
4x = 42
x = 42/4
x= 10.5
x= 10.5
3x+7 = 3(10.5)+7 = 38.9
Hope this helps!!