For the following questions answer them individually
The total cost of 8 buckets and 5 mugs is 92 and the total cost of 5 buckets and 8 mugs is 77. Find the cost of 2 mugs and 3 buckets.
If $$\frac{a}{1-a} + \frac{b}{1-b} + \frac{c}{1-c} = 1$$ the the value of $$\frac{1}{1-a} + \frac{1}{1-b} + \frac{1}{1-c}$$
If $$(x-3)^2 + (y - 5)^2 + (z-4)^2 = 0$$ then the value of $$\frac{x^2}{9} + \frac{y^2}{25} + \frac{z^2}{16}$$
If 4x/3 + 2P = 12, for what value of P, x = 6?
The value of $$\frac{4 + 3\sqrt{3}}{7 + 4\sqrt{3}}$$
if $$x(3-\frac{2}{x}) = \frac{3}{x}$$, then the value of $$x^2 + \frac{1}{x^2}$$
What number must be added to the expression $$16a^2 -12a$$ to make it a perfect square ?
The straight line 2x + 3y = 12 passes through :
The sum of three altitudes of a triangle is
In ΔABC, ∠A + ∠B = 65°, ∠B + ∠C = 140°, then find LB.
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