PLSS HELPP GUYS

prove or disprove the figure defined by points a b c and d is a rhombus

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

Find the nonpermissible replacement for binthis expression. b2/5b +5

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.