cycling at average speed of 20km/h, Thandeka completes the Argus cycle tour in 5 hours 30 minutes. what does his average speed need to be in order to complete the race in 3 hours 30 minutes?​

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o