3a²+12a+12 using identities

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?