Aline passes through the point (-3,8) and has a slope of -7 . write an equation for this line

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?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Find the maximum value of p= 4x + 5y subject to the following constraints :