The residual: In statistics, we learn that the residual is the leftover-the unexplained. The concept of a residual or leftover unexplained portion of a puzzle emerges in standardized reading passages. Consider a passage in which the author describes an audience who sees scientific evidence for a cancer treatment but does not express support for the[…]

The transitive property: I often tell my students that half of the SAT is understanding the transitive property. If an apple is an orange and an apple is a grape. What do you know? You know that an orange is a grape. Similarly, if an apple is an orange and an orange is a grape,[…]

Jane borrowed $1,200.00 to buy a phone. The interest rate was 18%. How much interest must Jane pay?

The bank paid Bryan 6.5%interest on $400 in his savings account. How much money did the bank pay Bryan for using his money for one year?

80 out of 90 is what percent? 90 is what percent of 70? 14 is what percent of 8?

Congenial- Pleasant/agreeable Ad hoc- Improvised, makeshift solution designed for a specific problem or task, non- generalizable, and which cannot be adapted to other purposes Status quo- Current situation Subjugate- Bring under control/ dominate (political or military) Exigent- Urgent, pressing, demanding

Arbor- Related to the earth or trees Eulogy- Tribute (+) for someone who died Felicity- Great happiness Felicitous- Pleasing/lucky (+) Elan- Feeling of inspiration or enthusiasm

Stock- Lineage Ineluctable- Inescapable Diffident- Shy/lacking self-confidence Restive- Impatient Avail- To do something to no avail is to do something and have it not work out.

Futile- A futile attempt is to do something that does not work out. Enmity- Hatred Mirth- Happiness/laughter Perspicacious- Shrewd/having insight

Verizona offers a cell phone plan that provides 250 free text message. After that, consumers pay $0.05/message. Sprintina has a plan that charges $0.02/message. At what quantity of messages do Verizona and Sprintina cost the same?