You would find the decimal of a percentage by dividing the percentage by 100.
2.5/100=0.025
9(n+3)=7n-3
1) distribute 9 into (n+3)
9n+27=7n-3
2) subtract 7n on both sides
2n+27=-3
3) subtract 27 on both sides
2n=-30
4) divide by 2
n=-15
official approval given by an organisation when something / somebody achieves a certain standard
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Answer:
D. How many students enrolled in seventh grade at the start of this year
If the diameter is 18 inches, the radius is 9 inches. The formula for circumference is 2*pi*r, so it would be 2*3.14*9, so the circumference is 56.52 inches. But rounded to the nearest inch, it is 57 inches.
