Four roses and four carnations cost $22. At the same time and place, three roses and six carnations cost $21. Find the cost of a rose and the cost of a carnation

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?