Which of the situations results in a final value of zero? A. The overall change in temperature when the temperature goes from -10 F to 10 F

B. The total profit made when a person buys an item for $2.25 and then sells the item for $2.25

C. The overall change in the altitude of a hot air balloon after rising 21 km from the sea level

D. The total distance a person travels when he bikes 3.1 miles to school and then bikes 3.1 miles back to home

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

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?