Math Journal The melting points of some chemical elements are shown below.
Substance
Temperature (°C)
chlorine
-102
mercury
-39
helium
-272
argon
-189
Which two elements have melting points that are closest in value? Show how you determine your
answer.

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.

Ken leaves work 20 minutes late. he decides to make up time by taking the toll road instead of side streets. he can travel three times faster by taking the toll road. create an equation to represent his total travel time, including wait time, where x is the number of minutes the drive was expected to take