Find the value of the lesser root of x2 - 6x + 8 = 0.

A) -4
B) -2
C) 2
D) 4

For the equations below which statement is true ?

Find the value of the variable and the length of each secant segment.

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.