A)
Let X be the food expenditure of a family.
Let the population mean of an expenditure of a family be.
Let the population standard deviation of an expenditure of a family be.
The proportion families spend more than $30 but less than $490 per month on food is,
Answer:
MAYBE
Step-by-step explanation:
Answer:
3 + 10.8 is : rational.
Step-by-step explanation:
the reason for this is because it is neither a variable, pi, or numbers like square root 2.
A. 70°
Supplementary angles always = 180°
Where 180 - 110 = 70
110+ 70 = 180