Answer:

Step-by-step explanation:

Answer:
where
denotes number of drinks and
denotes number of pastries.
Step-by-step explanation:
Let
denotes number of drinks and
denotes number of pastries.
Cost of the average drink = $4.50
Cost of the average pastry = $2.25
Total amount = $5,250
Therefore,

Answer:
mean - 12.5
SD - 12.0
Step-by-step explanation:
Sqrt 363 - 3 sqrt27
= sqrt(121* 3) - 3 sqrt (9*3)
= sqrt 121* sqrt3 - 3 * sqrt 9 * sqrt3
= 11 sqrt3 - 3* 3 sqrt3
= 11 sqrt3 - 9 sqrt3
= 2 sqrt3 Answer