The proportional relationship between the number of hours a business operates and its total cost of electricity is shown in the following graph. Which statements about the graph are true? Choose all answers that apply: A The y-coordinate of point A represents the total cost of electricity when the business operates for 4 hours. B The total cost of electricity is $35 when operating the business for 1 hour. C None of the above

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a sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°c. if the system is at dynamic equilibrium, which of these statements is true?  

can someone me: the midsegment through the legs of an isosceles triangle is 4 in. find the sides of the triangle if its perimeter is 20 in. ,   and point g is the centroid of the right △abc with hypotenuse ab=18 in. find cg.