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• the perimeter of δabc is 13 cm. it was dilated to create δa'b'c'. point o is the center of dilation. triangle a b c is dilated to create triangle a prime b prime c prime. the length of o b is 5. the length of b b prime is 15. what is the perimeter of δa'b'c'? 13 cm 26 cm 39 cm 52 cm
  
• which set of coefficients would balance the following chemical equation? h3po4 + rboh h2o + rb3po4 2h3po4 + rboh 3h2o + rb3po4 h3po4 + 3rboh h2o + rb3po4 h3po4 + rboh 2h2o + rb3po4 h3po4 + 3rboh 3h2o + rb3po4
  
• shown below is a chemical reaction. fe + cucl2 fecl2 + cu which pair of substances are the products? fe and cucl2 fe and fecl2 cucl2 and cu fecl2 and cu
  
• the equation, 3x2 + 6x + 3y2 + 7y + 4 = 0, represents a conic. the conic represented by the equation is a/an because .
  
• a tropical rainforest includes trees, animals, insects, plants, rain, rivers, rocks, soil, and warm, moist air. which spheres of earth are represented in a tropical rainforest? biosphere, geosphere, hydrosphere cryosphere, hydrosphere, ionosphere geosphere, biosphere, cryosphere ionosphere, hydrosphere, geosphere
  
• if a manufacturer uses all parts of a grain including the bran, germ, and endosperm in their product, they may use the following claim:
  
• a soundproofing tile is made of 8 identical solid right pyramids with square bases. the length of the whole tile shown is x inches. which expression shows the area of the base of each pyramid? in.2 in.2 in.2 x2 in.2
  
• a line segment has endpoints at (–1, 4) and (4, 1). which reflection will produce an image with endpoints at (–4, 1) and (–1, –4)?
  
• the housing ratio is used to determine how much your net monthly income can be used to make the monthly mortgage payment plus all other existing debt payments.
  
• taco bell and mcdonald’s are considering adding kiosks in restaurants for customers to place their orders. this will hopefully make the ordering process more efficient and increase accuracy.