Mark earns $135 for selling a $1,500 refrigerator. which sale listed has the same commission rate? a) $36 commission on a $400 dryer sale b) $40 commission on a $500 dryer sale eliminate c) $210 commission on a $1,400 oven sale d) $30 commission on a $600 freezer sale

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?