A 32” flat screen television measures 32 inches across its diagonal. the diagonal makes 35° angle with the bottom of the television. Select all equations that can be used to solve for the height h, of the television screen. A- Cos35°= h/32
B- Sin35°= h/32
C- Tan35°= h/32
D- Cos55°= h/32
E- Sin55°= h/32
F- Tan55°= h/32

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?