Nina and Jo both ran a 12 km race. Nina took 1 hour 15 minutes to run the whole race.
Jo started the race 6 minutes later than Nina but caught up when they had both
travelled 9 km
If Nina and Jo both ran at constant speeds, what is Jo's speed to 2 dp?

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .