Molly is building a model roller coaster as part of a school project. She chose the Millennium Force in Gedar Point, which is 94 meters tall to model . If Molly uses a scale of 1 centimeter =4 me meters What will be the height of the model ?

Write the pair of fractions as a pair of fractions with a common denominator

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.