A builder makes all the ramps with a base to height ratio of 12 to 1 to be wheelchair accessible see diagram below which is not drawn to scale a ramp needs to cover a height of 0.8 m what is the height of the L of this ramp round your answer to the nearest hundredth of a meter

Evaluate cos2θ for cosθ = square root of 3/2

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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.