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• in a standard deck of cards there are 13 spades, 13 clubs, 13 hearts, and 13 diamonds. the spades and the clubs are black and the hearts and the diamonds are red. if two cards are chosen at random from a deck, one at a time, and replaced after each pick, what is the probability that a black card is chosen first and a heart is chosen second?
  
• nika earns a gross pay of $73,000. her total employee benefits are 22% of her gross pay and she has no job expenses. if nika gets an increase in pay of $5,000, what will her total employment compensation be? (note: employee benefits are based on nika's original gross pay.)a.$78,000b.$79,100c.$94,060d.$95,160
  
• what were the two main reasons for the decline of the byzantine empire? civil wars conversion to christianity invasions plagues riots at the hippodrome
  
• teddy roosevelt’s legacy included _________ a. starting the temperance movement. b. acts of conservation. c. purchasing alaska from russia. d. all of the above
  
• in 3–5 sentences, describe the hoover administration's initial response to the great depression. choose 2 examples.
  
• which statements about the system are true? select two options. y = y equals startfraction 1 over 3 endfraction x minus 4.x – 4 3y – x = –7
  
• the equation t squared = a cubed shows the relationship between a planet’s orbital period, t, and the planet’s mean distance from the sun, a, in astronomical units, au. if planet y is k times the mean distance from the sun as planet x, by what factor is the orbital period increased? k superscript one-third k superscript one-half k superscript two-thirds k superscript three-halves
  
• the flowchart above illustrates which type of organizational message? a. downward b. grapevine c. upward d. lateral
  
• at the end of the winter semester, mr. ukai asked the entire senior class whether they will play any spring sports. the results are shown in the table. of the seniors who did not play any fall sports, how many will play spring sports?
  
• which shows the electron configuration for silicon (si)? [ar]4s23d104p4 [ar]3d14s2 [ne]3s23p4 [ne]3s23p2