How do u subtract 4/8 from 5/8

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2