2. While on vacation, Erika's favorite activity is catching some rays while reading novels by the pool. She can read 40 pages of a book in 50 minutes.
a. Erika packed a book vacation that is 280 pages in length. how long will it take for her to read this book
Explain your answer please!

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: