Atrain drove the distance of 440 feet in 20 seconds. select all the unit rates that are equivalent to the speed of the model airplane. (use page 26 unit of measure chart to .)

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

What is not true about kl and mn? what is mn? (show )

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.