Convert 45 miles per hour to miles per minute

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

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