An internet service provider charges €0.7 for the first minute and then €0.5 per minute for subsequent minutes of a call. If the duration of connection is represented as x, and amount charged is represented as y, find the linear equation for this relationship.
The Ferris Wheel at the school fair has radius of 10 metres. It revolves at the rate of one revolution per 3 minutes. How many seconds does it take a rider to travel from the bottom of the wheel to a point 5 vertical metres above the bottom?
Rebecca is participating in a race. The probability that she will come first in the race is 0.15. The probability that she will come second in the race is 0.2. The probability that she will come in 3rd is 0.5, and the probability that she will be 4th is 0.15. What is the probability that she will win 2nd position or win the race?