What expression is equivalent to m-0.25m

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Identify the number as a rational or irrational. explain. 127

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation