Suzanna wants to measure a board, but she doesn't have a ruler to measure with. however, she does have several copies of a book that she knows is 17 centimeters tall. a. suzanna lays the books end to end and finds that the board is the same length as 21 books. how many cenimeters long is the board? answer to b, too

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4