*the scoop of an excavator holds 100m3 of sand. if the capacity of a freight car is 40 tons of sand and we know that 1m3 of sand weighs 1.5 tons, how many freight cars can the excavator fill with 100 loads?

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

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca