The answer is 56%
You first divide 28 by 50=.56, then since it's a decimal, you move the decimal twice to the right to make a percentage=56%
It opens upward when X is an even power. It would be for X squared or X raised to the 4th power.
To find area you do length x width. To find perimeter you do length + width.
Answer:
first we multiply 2357 x 8870
which resulted in 20906590
then we multiply the resultant with 7809 then the final answer is
163,259,561,310
