Evita collects baseball cards and is trying to complete a special edition set of cards. Last month, she collected 25 cards. This month, she collected 19 cards. What is the percent change in the number of cards collected from last month to this month?

The mathematical expression 9€ t means

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12