i. A pole is \( 11 \frac{2}{7} \) metres long. If \( 5 \frac{1}{7} \) metres of it is under water, but \( \frac{3}{7} \) parts of rope is left. What length of the pole is above the water?

A salesman earns \( 60 \% \) commission on all the merchandise that he sells. Last month he sold \( \$ 400 \) worth of merchandise. How much commission (in dollars) did he earm last month?

Find the reciorocals of the numbers below. The reciprocal of \( \frac{7}{12} \) is \( \square \). The reciprocal of 8 is

What is the first common multiple of 6 and \( 8 ? \)

Find the reciprocals of the numbers below. The reciprocal of \( \frac{7}{11} \) is \( \square \). The reciprocal of 4 is \( \square \).

Health insurance coverage for an employee is \( \$ 2,210 \) per year. Their employer pays \( 80 \% \) of that cost. How much is taken from the employee's biweekly paycheck? Biweekly Insurance Cost = \( \$[?] \)