A jeweler makes silver and gold chains. She sells the silver chains for $30 each. She sells the gold chains for $105 each. Her monthly expenses are $2,100.The jeweler makes a profit if her total monthly sales are greater than her monthly expenses. Which graph correctly shows the number of silver and gold chains the jeweler must sell in a month to make a profit?

Mr. vasquez determines that the area of a bathroom is in his house is 25 square feet less than one-fifth of the area of the living room if the bathroom measures 35 square feet what is the area of the living room

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Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?