Lesedi travels to work by her seven seater car. Her total petrol cost after travelling to and from work for 20 days in a month is approximately R2400. She decides to let some of her colleagues to travel with her so that they can share the petrol costs equally. Determine the monthly petrol cost per person if Lesedi shares the petrol costs with six colleagues.​

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32