Find the value of x such that the data set has the given mean. 98,122,104,115,107,x,102 x=(Type an integer or a​ decimal.)

If u good at math hit me up on insta or sum @basic_jaiden or @ and

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i