What is the unit rate for 768.57 m 41.1 h

Which of the following of the following sets of side lengths could not form a triangle?

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

Michael gose to a theme park and rides two different roller coasters that both begin on a raised platform his height while on the first roller coaster measured in feet from the platform height can be modeled by the following graph where t is the number of seconds since the ride began