I need help. XDD Multiply.

[−4 2/7⋅(−18)]⋅(−3 8/9)⋅(−1)

What is the product?

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The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Need plz been trying to do it for a long time and still haven’t succeeded

What is the area of the shaded sector?