Round the fraction or mixed number to the nearest 1/2. 3 4/5

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]