Suppose the owner of a bicycle decides to hop on his bike and coast down a hill. if he starts at a point where the elevation is listed as 6500 ft. and coasts down to a point where the elevation is 6000 ft, and he sees from a map that the horizontal distance is listed as 1200 ft. then:
a. what is the percent grade of the hill?
b. what actual distance did he coast?

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

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab