The melting points of some chemical elements are shown below.

Substance Temperature (*F)
Nickel 2,651
Mercury -37.89
Helium -458
Copper 1,984.32

a) Which two elements have melting points that are closest in value?

b) What is the average melting point of the substances? Round your answer to the nearest tenth.

Please help me, Kinda urgent,

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

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