Which of the following expressions are equal to {{MATH_28}}? {{CMD_29}} {{CMD_30}}{{MATH_31}}{{CMD_32}} {{CMD_33}}{{MATH_34}}{{CMD_35}} {{CMD_36}}{{MATH_37}}{{CMD_38}} {{CMD_39}}{{MATH_40}}{{CMD_41}} {{CMD_42}}{{MATH_43}}{{CMD_44}} {{CMD_45}}{{MATH_46}}{{CMD_47}} {{CMD_48}} {{CMD_49}} Note, {{MATH_50}}, and {{MATH_51}} since they differ when {{MATH_52}}. {{CMD_53}} {{CMD_54}}