How much interest will $2,000 earn at an annual rate of 8% in one year if the interest is compound every half a year?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

Proving the congruent supplements theorem