Z=6 just trust me on this lol
First one is 2 ft because 12 inches in one foot. Other people will probably help out on rest!! I’m little busy rn so :D
Answer:
See the explanation below.
Step-by-step explanation:
Percentage of all the students landing point up 
Percentage of student ten landing point up 
Required Difference 

If the family walked 2/5 of a mile in 2/7 of an hour their MPH would be 2.8mph
Step-by-step explanation:It says:
There are 3 strawberry yoghurts, 2 peach yoghurts and 4 cherry yoghurts in a fridge.
Kate takes a yoghurt at random from the fridge.
She eats the yoghurt.
She then takes a second yoghurt at random from the fridge.
Work out the probability that both yoghurts were the same flavour.