Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. write the polynomial in standard form. 4, -8, and 2 + 5i

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6