The grades on a geometry midterm at Springer are roughly symmetric with u = 68 and o = 2.0. Emily scored 69 on the exam.
Find the z-score for Emily's exam grade. Round to two decimal places.

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?