Agroup of students goes out to lunch. if two have burritos and five have tacos, the bill will be $19.50. if five students have burritos and two have tacos, the bill will be $22.50. find the price of each taco and burrito

What is the value of x in the following equation? -3x-2=2x+8

Select the graph of the solution. click until the correct graph appears. |x| = 3

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?