Rewrite the function by completing the square.
g(x) = 2x² – 70 +5

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

If you want to place a 10 1/2 inch wide picture frame in the center of a 4ft wall. how much space will be in each side of the picture? answer step-by-step : )

Bill earns $12 per hour and works at most 40 hours per week. identify the independent and dependent quantity in the situation, and find reasonable domain and range values