An airplane descended 4000 feet before landing. the integer that represents how many feet the airplane was above the ground before it descent is?

What does it mean by solve the exponential equation for x?

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

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out