un vendedor de tortas invierte diariamente 150 en la elaboración de las mismas ¿existe una función que representa la ganancia diaria en función del número de tortas vendidas? ¿Cómo se representaría?​

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

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

Which number line correctly shows 0.8 + 0.3?