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• beta-carotene is an organic compound with an orange color. the diagram above shows the ultraviolet spectrum of beta-carotene. which of the following statements is true about the absorption bands in the spectrum?
  
• tyler believes that an 8-sided die can be used to predict whether customers at his store will use a coupon when making their purchases, with a roll of 1 indicating a coupon and all other outcomes indicating no coupon. today, 4 of the first 48 customers in the store used a coupon. how does the experimental probability of a customer using a coupon compare to the theoretical probability of tyler’s die?
  
• which graph represents the solution set to the system of inequalities? {y<−34x+1y>23x−3
  
• if you were running an experiment to determine the temperature at which beans sprout the fastest, what would be the variable? a the number of beans you plant. b the height of the sprouts you grow. c the amount of water you give the beans. d the temperature at which each bean is kept.
  
• vijay owns a house worth $250,000 with a mortgage of $150,000. he has $3,000 in stock investments and $1,700 in a checking account. he owns a piano worth $1,800. he also owns a car worth $18,000 and owes $6,000 in car loans. vijay wants to create a net worth statement. what are vijay’s total assets, liabilities, and net worth? vijay’s assets total: vijay’s liabilities total: vijay’s net worth is:
  
• the league of nations, the washington naval conference, and the kellogg-briand pact were designed to keep peace in the northern hemisphere. why did these agreements fail to prevent world war ii?
  
• which nations provided military aid to north vietnam during the vietnam war? china and france the united states and france the soviet union and the united states china and the soviet union
  
• select the verb form that correctly completes this sentence. los deportistas ____________ mucho para mejorar su habilidad. a. practican b. practiquen c. practicó d. practiqué
  
• what is the quantity of carbon-14 in a bone after 17,190 years if the initial mass of c-14 is 0.300 grams and the half-life is 5,730 years? a. 0.038 g b. 0.093 g c. 0.281 g d. 0.412 g
  
• lochmere corporation is evaluating a taxable bond at 7% and a municipal bond at 5.75%. what is the break-even tax rate?