We assume that
.. (number in school)/(560 lunches sold) = (60 students sampled)/(40 eat lunch)
Then
.. (number in school) = 560*60/40 = 840
6n+8-4n-10
2n-2
=2n-2
hope it helps :)
Answer:
y=15x+5
Step-by-step explanation:
A is 3 rows and 1 column : 3 x 1
F is 1 row and 2 columns: 1 x 2
Therefore, the matrix doesn't exist
Answer:
f(-4)= -1
Step-by-step explanation:
