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• darpana solved the equation for a. her steps are shown below: 1. multiply by 3: 2. subtract b: 3. divide by c: which statement about darpana’s work is true? in step 1 she needed to divide by 3 rather than multiply. in step 2 she needed to add b rather than subtract. in step 3 she needed to subtract c rather than divide. darpana solved the equation correctly.
  
• in a public opinion poll, a polling company used an online survey tool to randomly contact respondents who did not have telephone lines in addition to contacting people over the phone. which of the following best explains this decision?
  
• in this line from thomas paine's rights of man, what element denotes that it is from the revolutionary era?
  
• on a coordinate plane, rectangle e f g h is shown. point e is at (1, negative 1), point f is at (negative 4, 1), point g is at (negative 3, 4), and point h is at (2, 2). what is the perimeter of rectangle efgh? startroot 10 endroot + startroot 29 endroot units 2 startroot 10 endroot + 2 startroot 29 endroot units 22 units 39 units
  
• which best describes a scientist who solves a new problem using something already learned? creative curious observant skeptical
  
• alana made a scale drawing of a city park. the scale she used was 1 millimeter : 4 meters. if the actual length of the soccer field is 112 meters, how long is the field in the drawing?
  
• what negative effect occurs when there is a decrease in air quality?faster evaporation of water in the soilthe drying out of fertile land, resulting in dust bowlsthe melting of glaciers and polar ice capsincreased illnesses that result in a decrease in population
  
• during the summer, jody earns $10 per hour babysitting and $15 per hour doing yardwork. this week she worked 34 hours and earned $410. if x represents the number hours she babysat and y represents the number of hours she did yardwork, which system of equations models this situation?
  
• which environmental issue did president kennedy champion? the advancement of agricultural practices the establishment of national seashores the protection of national parks the development of new plant species
  
• the data show the number of pieces of mail delivered to a single home address each day for three weeks. 4, 0, 2, 6, 1, 0, 3, 4, 0, 2, 4, 1, 5, 2, 3, 1, 1, 2 which statement is true about a graph representing the data? select two options. the number line of a dot plot would start at 1. a dot plot would show 7 points for numbers greater than 2. the intervals on a histogram should be 0 to 2, 3 to 4, and 5 to 6. a histogram would have a maximum of 7 bars. a histogram should not show a bar that includes 0 pieces of mail.