Richard had his car repaired at a body shop. The parts cost $100.
The technician charged $52 per hour.
His total bill was $308.
How many hours did the technician work on Richard's car? Enter the numerical value only.

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit