Simplify; 2\(\frac{1}{4} \times 3\frac{1}{2} \div 4 \frac{3}{8}\)
The average age of a group of 25 girls is 10year. If one girl, aged 12 years and 4 months joins the group, find the new average age of the group
Make x the subject of the relation d = \(\sqrt{\frac{6}{x} - \frac{y}{2}}\)
Evaluate: \(\frac{0.42 \div 2.5}{0.5 \times 2.95}\), leaving the answer in the standard form.
Evaluate and correct to two decimal places, 75.0785 - 34.624 + 9.83
