The sum of a fraction and 7 times its reciprocal is $\frac{11}{2}$ What is the fraction?
1). $\frac{7}{2}$
2). $\frac{2}{7}$
3). $\frac{3}{4}$
4). $\frac{4}{3}$
1. If a + b = 4 and ab = 3, then what is the value of $a^{3}+b^{3}$?
2. If $7x - \frac{\left[3(2x - 3)\right]}{2} = \frac{1}{2}$, then what is the value of x?
8. What is the third proportional to 10 and 25?
10. The diagonal of a square is 12 cm what is the length (in cm) of its side?