40% of the marbles in a bag are red. The rest are orange and green. The ratio of the number of orange to the number of green is 4:5. If there are 30 green marbles, how many red marbles are there?

The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

In a column proof the right column states your reasons