- General Math
- Percents and Fractions
Dawn is planning a vacation. The dates of her vacation are September 18 through September 24, which will require her to take five 8-hour vacation days off from work. She accrues three-and-a-third...
- Algebraic Expressions and Equations
- Plane Geometry
- Probability, Counting and Combinatorics
The second round of the Major League Baseball play-offs is “best out of 5,” meaning that two teams will play each other until one team wins three games. How many different ways could this play-off...
- Plane Geometry
- Solid Geometry
Gretchen is going to make a witch’s hat for Halloween. Her pattern consists of a right circular cone without a base attached to a circle with a hole cut out of the middle, as shown below. The hole is...