{A cyclist can cover a distance of 18 miles in 45 minutes. How many miles the cyclist can cover in 6 hours? }Please help me. Can you answer it quickly I really need help with it! Just please please make sure that it is correct because I do not want to get a bad grade on my homework.

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)