One days discharge at its mouth, 3 trillion gallons, could supply all of country a’s household for 5 months. how much water an average household uses each month. assume there are 200 million households

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

What is the x-intercept and y-intercept of the equation 2x+1. 2o

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?