Which of the following is an expression that is part of the equation 20-3k = 5? oA:-3k

oB:=5

oC: 20-3k

OD:k

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

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

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way