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• a 50 g sample of an unknown metal is heated to 90.0c. it is placed in a perfectly insulated container along with 100 g of water at an initial temperature of 20c. after a short time, the temperature of both the metal and water become equal at 25c. the specific heat of water is 4.18 j/gc in this temperature range. what is the specific heat capacity of the metal? record your answer with two significant figures. j/gc
  
• which part of the brain controls the vital functions of temperature, heart rate, blood pressure, sleep, the anterior and posterior pituitary, the autonomic nervous system, and emotions and maintains overall autonomic control?
  
• read the following statement and determine the correct responses for each blank. in order to make a strong impression, most businesses develop a name and that become part of their identity.
  
• what stipulation on the use of star wars did the federal district court include in its ruling? the interest groups could only use the phrase in tv commercials. the interest groups could not use the phrase without permission. the interest groups could only use the phrase for nonprofit purposes. the interest groups could not use the phrase in relation to the film series.
  
• which phrase describes how metamorphic rocks form?form from meltingform at earth’s surfaceform from sedimentsform from existing rocks
  
• lincoln's announcement of the emancipation proclamation had all of the following effects except : strengthened the union won support of nonslave countries ended slavery helped end the war
  
• circle k is shown. tangents s t and u t intersect at point t outside of the circle. a line is drawn from point t to point r on the opposite side of the circle. it goes through center point k. lines are drawn from points s and u to center point k. line segment st is congruent to which line segment?
  
• in the 1930s, newspaper comics entertained people by making them laugh and offering news commentary. daring adventure. job opportunities. prize giveaways.
  
• a group of adults were surveyed about whether they prefer to carpool or take the bus to work. relative frequency table by column which conclusions can be drawn from the results of the survey? check all that apply. a person in the group who is a man is more likely to carpool. a person in the group who is a woman is more likely to carpool. a person in the group who is a man is more likely to take the bus. there is no association between commuting preferences and gender.
  
• the volume of a cone is 3πx3 cubic units and its height is x units. which expression represents the radius of the cone’s base, in units? 3x 6x 3πx2 9πx2