Fifteen times the square of a non zero number is equal to 20 times the answer

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Bring the fraction a/a-4 to a denominator of 16-a^2

On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers