Suppose a, b, c, and d are as follow a is a decimal greater than 4. b is a positive fraction less than 1. cis a negative fraction greater than -1. • d is a number greater than 1. Choose all statements that are correct. O must be less than -1. Ob+c is always negative. O-2bc must be a positive number less than 1 bc is always a negative number greater than -1. O c + d is always positive.​