I NEED HELP ASAP PLS SOMEONE HELP

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7

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?

Put the equation in slope intercept form by solving for y