How many meters are in 66 ft?

1 m = 3.3 ft
66 ft =

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.