Last year at a certain high school, there were 110 boys on the honor roll and 75 girls on the honor roll. This year, the number of boys on the honor roll decreased by 20% and the number of girls on the honor roll decreased by 4%. By what percentage did the total number of students on the honor roll decrease? Round your answer to the nearest tenth (if necessary). PLEASE ANSWER THIS

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

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?