Sathish is going on a 2100 km road with 2 friends, whom he will pick up 150 kilometers after he begins the trip and drops off when 150 kilometers are remaining. The car consumes 6 liters of gas for every 100 kilometers and gas costs $1.20 per liter. Sathish will pay for all the gas when he is alone in the car, but he and his friends will split the cost evenly when they are together.

How much will Sathish pay for the gas?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Hundred and tens tables to make 430 in five different ways