A shop sells orange juice in the following ways: 500 ml bottle for £1.25
1.5/ carton for £2.35 each or 2 cartons for £3.50
2 / carton for £3.25
What's the cheapest way of buying exactly 8 litres with no extra?
Find the amount of each type of bottle or carton you need and the total cost of
buying 8 litres.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

What is 140% of 25? because i need

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters