An investment made in the stock market decreased at a rate of 1.2% per year for 25 years. what is the current value of the $100,000 investment? include your calculations in your final answer.

What is the value of x when x + 7 = 21?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm