After 5 years, the simple interest earned on an investment of $3000 was $645. find the interest rate.

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

If wxyz is a square, which statements must be true?

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)