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• read the excerpt from ""the gift of the magi"" by o. henry. only $1.87 to buy a present for jim. her jim. many a happy hour she had spent planning for something nice for him. something fine and rare and sterling—something just a little bit near to being worthy of the honor of being owned by jim. what inferences about della can be made based on this excerpt? select three options. della does not have much money to spend on jim’s gift. della wants to buy jim a watch chain for his watch. della loves her husband, jim, very much. della wants to buy jim a really nice gift. della will need to sell her hair to buy jim a nice gift.
  
• according to president roosevelt, why was japan’s attack on pearl harbor such a surprise?
  
• manny makes the following purchases at the store: pair of jeans for $32.65 3 t-shirts for $14.89 each pair of sneakers for $39.99 the store is having a promotional sale where 10% is taken off of each customer’s total purchase before tax. the sales tax is 8%. if manny paid $114.03 , then he _____ for his purchase. a. paid $5.63 too little b. paid $3.28 too little c. paid the correct amount d. paid $8.45 too much
  
• ralph is purchasing a new gaming system for $300.00. he is trying to decide whether he wants to use cash or his credit card to pay. he has $600.00 available in his checking account. which of the following is not an argument that justifies ralph's use of his cash to purchase the gaming system? a. using cash can help ralph improve his credit score. b. using cash may limit overspending or impulse buying. c. cash doesn't come with any potential ""over limit"" or ""late payment"" fees. d. cash will be the easiest method of payment with very few security measures involved.
  
• janelle is training an ai-powered model car to stay on an oval track drawn on the floor. the car drives in different directions and is scored by the training algorithm based on how closely the car stays on the track. what kind of learning model is janelle’s car using?
  
• what is the following simplified product? assume x greater-than-or-equal-to 02 startroot 8 x cubed endroot (3 startroot 10 x superscript 4 baseline endroot minus x startroot 5 x squared endroot)
  
• the following table shows music preferences found by a survey of the faculty at a local university. express your answers in fraction form.
  
• which polynomial is prime? x3 + 3x2 + 2x + 6 x3 + 3x2 – 2x – 6 10x2 – 4x + 3x + 6 10x2 – 10x + 6x – 6
  
• what must be a factor of the polynomial function f(x) graphed on the coordinate plane below?
  
• what is the first error he made in computing the standard deviation? yuri failed to find the difference between each data point and the mean. yuri divided by n instead of n -1. yuri did not subtract 9 - 14 correctly. yuri failed to square -2 correctly.