Jeff filled his car with 11 1/2 gallons of gas in the first week, 13 1/3 gallons the second week, 12 1/4 gallons the third week, and 10 1/5 gallon the forth week of january. how many gallons of gas did he buy in january?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Solve the equation by completing the square. x^2+2x=17

The plant were you work has a cylindrical oil tank that is 2.5 feet across on the inside and 10 feet high. the depth of the oil in the tank is 2 feet. about how many gallons of oil are in the tank?