Today, everything at a store is on sale. The store offers a 20% discount. The regular price of a T-shirt is
$20.
How much money would you save today on the shirt?

Is it true or false i’m trying to pass this test so i can leave school

Can someone me with the property questions for 12 13 and 14 plz

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?