Answer:
for this you should use photomath all you do is take a picture of each problem and put the answer down
Answer:
12/30
Step-by-step explanation:
So we know that the denominator-numerator=18
And we also know that it's equal to 4/10 or 2/5.
Soooooooooooooo the most easiest is just to trial and error: 12/30
But I don't really know the more complex formula...
Answer:
540
Step-by-step explanation:
90 is 16 2/3% of 540
7<n<8 is the right answer
Formula for perimeter a+b+a+b
12+5+12+5= 17+17= 34 .34=P
