What is the answer to these problems i can't get any of them

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?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.