Exercises (a) Solve, p^2+q^2 = 1, x/3 = y/4 = z/5. Explain the uniqueness or
otherwise of the solution.

For the equations below which statement is true ?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64