Neeed to be done !

a)
write the ratio
14: 56
in its simplest form.
b)
a jewellery shop sells 240 necklaces in a month.
180 of the necklaces were sold via the shop's website, the rest were
sold in a high street shop.
work out the ratio of online sales to shop sales.
give your answer in its simplest form.

Assemble the proof by dragging tiles to the statements and reasons column

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

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?