Answer:
Well use long subtraction to evaluate
So that gives you a Answer of 31.19 Hope this helps :)
Step-by-step explanation:
Reasons for what, I cant see anything?
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:
The first option in the first picture
Step-by-step explanation:
Good luck with summer school bud :)
To calculate how many points this person got, take 90% of the total:
0.9(70) = 63
A test score of 90% is 63 points out of 70.