5. The length of a rectangular hall is 4 meters less than 3 times the
breadth of the hall. What is the length, if the breadth is 'b' meters?
6. The side of a regular hexagon is denoted by 'R'. Express the
Perimeter of the hexagon using 'k'.

What is the ratio of the length of an object in yards to the length of the same object in miles?

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10