The cost(C) in GH¢ of catering per head in a restaurant with the number (N) of people present is given by C = a + b N . If the cost per head for 10 people is GH¢14 and the cost per head for 20 people is GH¢12, find (to the nearest 10c) the cost per head for 50 people

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d.x+y=2

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.