Musa is three years older than Manya. Seven years ago, Musa was twice as old as Manya. (1) How old are they now? (2) When will the sum of them be 45?

If \(\log_{10}\)(6x - 4) - \(\log_{10}\)2 = 1, solve for x.

If F = \(\frac{9}{5}\)C + 32, find C when F = 98.6

Simplify; 2\(\frac{1}{4} \times 3\frac{1}{2} \div 4 \frac{3}{8}\)

Simplify: \(\sqrt{108} + \sqrt{125} - \sqrt{75}\)

Given that y varies inversely as the square of x. If x = 3 when y = 100, find the equation connecting x and y.

Evaluate: \((64^{\frac{1}{2}} + 125^{\frac{1}{3}})^2\)

There are 250 boys and 150 girls in a school, if 60% of the boys and 40% of the girls play football, what percentage of the school play football?

Find the value of x for which \(32_{four} = 22_x\)