Which statement about the relative areas of AABC and
AXYZ is true?
The area of AABC > the area of AXYZ
The area of AABC < the area of AXYZ
The area of AABC = the area of AXYZ
More information is needed to compare.
The area of
98°

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?

Which of the following parabolas opens up?

The slope of the line passing through the points (2, 7) and (-4, 8) is