An electric company charges a certain rate per kilowatt-hour (\text{kwh})(kwh) of electricity used and an administrative fee of \$3.50$3.50. the company charged zhao \$63.25$63.25 for using 800\,\text{kwh}800kwh of electricity. zhao uses the equation, 63.25=800r+3.5063.25=800r+3.50 to represent the situation. what does the variable rr represent in the equation? choose 1 choose 1 (choice a) a the number of kilowatt-hours zhao used (choice b) b the charge per kilowatt-hour (choice c) c the amount of the total charge that depends on the number of kilowatt-hours used

The table shows the relationship between the number of cups of cereal and the number of cups of raisins in a cereal bar recipe: number of cups of cereal number of cups of raisins 8 2 12 3 16 4 molly plotted an equivalent ratio as shown on the grid below: a graph is shown. the title of the graph is cereal bars. the horizontal axis label is cereal in cups. the x-axis values are 0, 20, 40, 60, 80,100. the vertical axis label is raisins in cups. the y-axis values are 0, 10, 20, 30, 40, 50. a point is plotted on the ordered pair 40,20. which of these explains why the point molly plotted is incorrect? (a) if the number of cups of cereal is 40, then the number of cups of raisins will be10. (b)if the number of cups of raisins is 40, then the number of cups of cereal will be10. (c) if the number of cups of cereal is 40, then the number of cups of raisins will be 80. (d) if the number of cups of raisins is 40, then the number of cups of cereal will be 80.

Factor the polynomial by its greatest common monomial factor.

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?