David expressed the ratio of the number of books that he owns to the number of DVDs that he owns as 27:11. Which statement could be true based upon this relationship? David has 11 books and 27 DVDs.
David has 11 DVDs and 27 books.
David has 11 DVDs and 27 items total.
David has 11 books and 27 items total.

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

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

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.