Solve both with work attached

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

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account